diff --git a/yii/base/Controller.php b/yii/base/Controller.php
index 1a92a46..6b6c926 100644
--- a/yii/base/Controller.php
+++ b/yii/base/Controller.php
@@ -278,7 +278,7 @@ class Controller extends Component
 	 * Child classes may override this method to throw exceptions when there are missing and/or unknown parameters.
 	 * @param Action $action the currently requested action
 	 * @param array $missingParams the names of the missing parameters
-	 * @param array $unknownParams the unknown parameters (name=>value)
+	 * @param array $unknownParams the unknown parameters (name => value)
 	 */
 	public function validateActionParams($action, $missingParams, $unknownParams)
 	{
diff --git a/yii/base/Dictionary.php b/yii/base/Dictionary.php
index 5807d93..0a4741e 100644
--- a/yii/base/Dictionary.php
+++ b/yii/base/Dictionary.php
@@ -24,7 +24,7 @@ use yii\helpers\ArrayHelper;
  * $dictionary[$key] = $value;		   // add a key-value pair
  * unset($dictionary[$key]);			 // remove the value with the specified key
  * if (isset($dictionary[$key]))		 // if the dictionary contains the key
- * foreach ($dictionary as $key=>$value) // traverse the items in the dictionary
+ * foreach ($dictionary as $key => $value) // traverse the items in the dictionary
  * $n = count($dictionary);			  // returns the number of items in the dictionary
  * ~~~
  *
diff --git a/yii/base/Model.php b/yii/base/Model.php
index 7f55239..8348d97 100644
--- a/yii/base/Model.php
+++ b/yii/base/Model.php
@@ -33,7 +33,7 @@ use yii\validators\Validator;
  * @property Vector $validators All the validators declared in the model.
  * @property array $activeValidators The validators applicable to the current [[scenario]].
  * @property array $errors Errors for all attributes or the specified attribute. Empty array is returned if no error.
- * @property array $attributes Attribute values (name=>value).
+ * @property array $attributes Attribute values (name => value).
  * @property string $scenario The scenario that this model is in.
  *
  * @author Qiang Xue <qiang.xue@gmail.com>
@@ -76,7 +76,7 @@ class Model extends Component implements \IteratorAggregate, \ArrayAccess
 	 * array(
 	 *     'attribute list',
 	 *     'validator type',
-	 *     'on'=>'scenario name',
+	 *     'on' => 'scenario name',
 	 *     ...other parameters...
 	 * )
 	 * ~~~
@@ -109,11 +109,11 @@ class Model extends Component implements \IteratorAggregate, \ArrayAccess
 	 *     // built-in "required" validator
 	 *     array('username', 'required'),
 	 *     // built-in "length" validator customized with "min" and "max" properties
-	 *     array('username', 'length', 'min'=>3, 'max'=>12),
+	 *     array('username', 'length', 'min' => 3, 'max' => 12),
 	 *     // built-in "compare" validator that is used in "register" scenario only
-	 *     array('password', 'compare', 'compareAttribute'=>'password2', 'on'=>'register'),
+	 *     array('password', 'compare', 'compareAttribute' => 'password2', 'on' => 'register'),
 	 *     // an inline validator defined via the "authenticate()" method in the model class
-	 *     array('password', 'authenticate', 'on'=>'login'),
+	 *     array('password', 'authenticate', 'on' => 'login'),
 	 *     // a validator of class "CaptchaValidator"
 	 *     array('captcha', 'CaptchaValidator'),
 	 * );
@@ -220,7 +220,7 @@ class Model extends Component implements \IteratorAggregate, \ArrayAccess
 	 * Note, in order to inherit labels defined in the parent class, a child class needs to
 	 * merge the parent labels with child labels using functions such as `array_merge()`.
 	 *
-	 * @return array attribute labels (name=>label)
+	 * @return array attribute labels (name => label)
 	 * @see generateAttributeLabel
 	 */
 	public function attributeLabels()
@@ -511,7 +511,7 @@ class Model extends Component implements \IteratorAggregate, \ArrayAccess
 	 * Defaults to null, meaning all attributes listed in [[attributes()]] will be returned.
 	 * If it is an array, only the attributes in the array will be returned.
 	 * @param array $except list of attributes whose value should NOT be returned.
-	 * @return array attribute values (name=>value).
+	 * @return array attribute values (name => value).
 	 */
 	public function getAttributes($names = null, $except = array())
 	{
@@ -531,7 +531,7 @@ class Model extends Component implements \IteratorAggregate, \ArrayAccess
 
 	/**
 	 * Sets the attribute values in a massive way.
-	 * @param array $values attribute values (name=>value) to be assigned to the model.
+	 * @param array $values attribute values (name => value) to be assigned to the model.
 	 * @param boolean $safeOnly whether the assignments should only be done to the safe attributes.
 	 * A safe attribute is one that is associated with a validation rule in the current [[scenario]].
 	 * @see safeAttributes()
diff --git a/yii/base/Vector.php b/yii/base/Vector.php
index 6418077..ae35cca 100644
--- a/yii/base/Vector.php
+++ b/yii/base/Vector.php
@@ -24,7 +24,7 @@ namespace yii\base;
  * $vector[$index] = $item;			// set new item at $index
  * unset($vector[$index]);			// remove the item at $index
  * if (isset($vector[$index]))		// if the vector has an item at $index
- * foreach ($vector as $index=>$item) // traverse each item in the vector
+ * foreach ($vector as $index => $item) // traverse each item in the vector
  * $n = count($vector);				// count the number of items
  * ~~~
  *
diff --git a/yii/base/View.php b/yii/base/View.php
index b71e605..f1a9a0f 100644
--- a/yii/base/View.php
+++ b/yii/base/View.php
@@ -475,7 +475,7 @@ class View extends Component
 	 *
 	 * @param string $viewFile the view file that will be used to decorate the content enclosed by this widget.
 	 * This can be specified as either the view file path or path alias.
-	 * @param array $params the variables (name=>value) to be extracted and made available in the decorative view.
+	 * @param array $params the variables (name => value) to be extracted and made available in the decorative view.
 	 * @return \yii\widgets\ContentDecorator the ContentDecorator widget instance
 	 * @see \yii\widgets\ContentDecorator
 	 */
diff --git a/yii/caching/DbDependency.php b/yii/caching/DbDependency.php
index 7d45223..fd92aea 100644
--- a/yii/caching/DbDependency.php
+++ b/yii/caching/DbDependency.php
@@ -32,14 +32,14 @@ class DbDependency extends Dependency
 	 */
 	public $sql;
 	/**
-	 * @var array the parameters (name=>value) to be bound to the SQL statement specified by [[sql]].
+	 * @var array the parameters (name => value) to be bound to the SQL statement specified by [[sql]].
 	 */
 	public $params;
 
 	/**
 	 * Constructor.
 	 * @param string $sql the SQL query whose result is used to determine if the dependency has been changed.
-	 * @param array $params the parameters (name=>value) to be bound to the SQL statement specified by [[sql]].
+	 * @param array $params the parameters (name => value) to be bound to the SQL statement specified by [[sql]].
 	 * @param array $config name-value pairs that will be used to initialize the object properties
 	 */
 	public function __construct($sql, $params = array(), $config = array())
diff --git a/yii/caching/MemCache.php b/yii/caching/MemCache.php
index 20aff21..e6b9b53 100644
--- a/yii/caching/MemCache.php
+++ b/yii/caching/MemCache.php
@@ -30,19 +30,19 @@ use yii\base\InvalidConfigException;
  *
  * ~~~
  * array(
- *     'components'=>array(
- *         'cache'=>array(
- *             'class'=>'MemCache',
- *             'servers'=>array(
+ *     'components' => array(
+ *         'cache' => array(
+ *             'class' => 'MemCache',
+ *             'servers' => array(
  *                 array(
- *                     'host'=>'server1',
- *                     'port'=>11211,
- *                     'weight'=>60,
+ *                     'host' => 'server1',
+ *                     'port' => 11211,
+ *                     'weight' => 60,
  *                 ),
  *                 array(
- *                     'host'=>'server2',
- *                     'port'=>11211,
- *                     'weight'=>40,
+ *                     'host' => 'server2',
+ *                     'port' => 11211,
+ *                     'weight' => 40,
  *                 ),
  *             ),
  *         ),
diff --git a/yii/console/controllers/AppController.php b/yii/console/controllers/AppController.php
index 95e6e5b..6baf019 100644
--- a/yii/console/controllers/AppController.php
+++ b/yii/console/controllers/AppController.php
@@ -204,7 +204,7 @@ class AppController extends Controller
 
 	/**
 	 * Copies a list of files from one place to another.
-	 * @param array $fileList the list of files to be copied (name=>spec).
+	 * @param array $fileList the list of files to be copied (name => spec).
 	 * The array keys are names displayed during the copy process, and array values are specifications
 	 * for files to be copied. Each array value must be an array of the following structure:
 	 * <ul>
@@ -288,7 +288,7 @@ class AppController extends Controller
 	 * @param array $ignoreFiles list of the names of files that should
 	 * be ignored in list building process.
 	 * @param array $renameMap hash array of file names that should be
-	 * renamed. Example value: array('1.old.txt'=>'2.new.txt').
+	 * renamed. Example value: array('1.old.txt' => '2.new.txt').
 	 * @return array the file list (see {@link copyFiles})
 	 */
 	protected function buildFileList($sourceDir, $targetDir, $baseDir='', $ignoreFiles=array(), $renameMap=array())
diff --git a/yii/db/ActiveRecord.php b/yii/db/ActiveRecord.php
index 356819d..41ce84c 100644
--- a/yii/db/ActiveRecord.php
+++ b/yii/db/ActiveRecord.php
@@ -169,7 +169,7 @@ class ActiveRecord extends Model
 	 * @param array $attributes attribute values (name-value pairs) to be saved into the table
 	 * @param string|array $condition the conditions that will be put in the WHERE part of the UPDATE SQL.
 	 * Please refer to [[Query::where()]] on how to specify this parameter.
-	 * @param array $params the parameters (name=>value) to be bound to the query.
+	 * @param array $params the parameters (name => value) to be bound to the query.
 	 * @return integer the number of rows updated
 	 */
 	public static function updateAll($attributes, $condition = '', $params = array())
@@ -191,7 +191,7 @@ class ActiveRecord extends Model
 	 * Use negative values if you want to decrement the counters.
 	 * @param string|array $condition the conditions that will be put in the WHERE part of the UPDATE SQL.
 	 * Please refer to [[Query::where()]] on how to specify this parameter.
-	 * @param array $params the parameters (name=>value) to be bound to the query.
+	 * @param array $params the parameters (name => value) to be bound to the query.
 	 * Do not name the parameters as `:bp0`, `:bp1`, etc., because they are used internally by this method.
 	 * @return integer the number of rows updated
 	 */
@@ -219,7 +219,7 @@ class ActiveRecord extends Model
 	 *
 	 * @param string|array $condition the conditions that will be put in the WHERE part of the DELETE SQL.
 	 * Please refer to [[Query::where()]] on how to specify this parameter.
-	 * @param array $params the parameters (name=>value) to be bound to the query.
+	 * @param array $params the parameters (name => value) to be bound to the query.
 	 * @return integer the number of rows deleted
 	 */
 	public static function deleteAll($condition = '', $params = array())
@@ -1014,7 +1014,7 @@ class ActiveRecord extends Model
 	 * @param boolean $asArray whether to return the primary key value as an array. If true,
 	 * the return value will be an array with column names as keys and column values as values.
 	 * Note that for composite primary keys, an array will always be returned regardless of this parameter value.
-	 * @return mixed the primary key value. An array (column name=>column value) is returned if the primary key
+	 * @return mixed the primary key value. An array (column name => column value) is returned if the primary key
 	 * is composite or `$asArray` is true. A string is returned otherwise (null will be returned if
 	 * the key value is null).
 	 */
@@ -1040,7 +1040,7 @@ class ActiveRecord extends Model
 	 * @param boolean $asArray whether to return the primary key value as an array. If true,
 	 * the return value will be an array with column name as key and column value as value.
 	 * If this is false (default), a scalar value will be returned for non-composite primary key.
-	 * @return mixed the old primary key value. An array (column name=>column value) is returned if the primary key
+	 * @return mixed the old primary key value. An array (column name => column value) is returned if the primary key
 	 * is composite or `$asArray` is true. A string is returned otherwise (null will be returned if
 	 * the key value is null).
 	 */
diff --git a/yii/db/Command.php b/yii/db/Command.php
index a117685..a3e2994 100644
--- a/yii/db/Command.php
+++ b/yii/db/Command.php
@@ -69,7 +69,7 @@ class Command extends \yii\base\Component
 	 */
 	private $_sql;
 	/**
-	 * @var array the parameter log information (name=>value)
+	 * @var array the parameter log information (name => value)
 	 */
 	private $_params = array();
 
@@ -220,9 +220,9 @@ class Command extends \yii\base\Component
 	 * Note that the SQL data type of each value is determined by its PHP type.
 	 * @param array $values the values to be bound. This must be given in terms of an associative
 	 * array with array keys being the parameter names, and array values the corresponding parameter values,
-	 * e.g. `array(':name'=>'John', ':age'=>25)`. By default, the PDO type of each value is determined
+	 * e.g. `array(':name' => 'John', ':age' => 25)`. By default, the PDO type of each value is determined
 	 * by its PHP type. You may explicitly specify the PDO type by using an array: `array(value, type)`,
-	 * e.g. `array(':name'=>'John', ':profile'=>array($profile, \PDO::PARAM_LOB))`.
+	 * e.g. `array(':name' => 'John', ':profile' => array($profile, \PDO::PARAM_LOB))`.
 	 * @return Command the current command being executed
 	 */
 	public function bindValues($values)
@@ -465,7 +465,7 @@ class Command extends \yii\base\Component
 	 * Note that the created command is not executed until [[execute()]] is called.
 	 *
 	 * @param string $table the table that new rows will be inserted into.
-	 * @param array $columns the column data (name=>value) to be inserted into the table.
+	 * @param array $columns the column data (name => value) to be inserted into the table.
 	 * @return Command the command object itself
 	 */
 	public function insert($table, $columns)
@@ -515,7 +515,7 @@ class Command extends \yii\base\Component
 	 * Note that the created command is not executed until [[execute()]] is called.
 	 *
 	 * @param string $table the table to be updated.
-	 * @param array $columns the column data (name=>value) to be updated.
+	 * @param array $columns the column data (name => value) to be updated.
 	 * @param mixed $condition the condition that will be put in the WHERE part. Please
 	 * refer to [[Query::where()]] on how to specify condition.
 	 * @param array $params the parameters to be bound to the command
@@ -555,7 +555,7 @@ class Command extends \yii\base\Component
 	/**
 	 * Creates a SQL command for creating a new DB table.
 	 *
-	 * The columns in the new table should be specified as name-definition pairs (e.g. 'name'=>'string'),
+	 * The columns in the new table should be specified as name-definition pairs (e.g. 'name' => 'string'),
 	 * where name stands for a column name which will be properly quoted by the method, and definition
 	 * stands for the column type which can contain an abstract DB type.
 	 * The method [[QueryBuilder::getColumnType()]] will be called
@@ -566,7 +566,7 @@ class Command extends \yii\base\Component
 	 * inserted into the generated SQL.
 	 *
 	 * @param string $table the name of the table to be created. The name will be properly quoted by the method.
-	 * @param array $columns the columns (name=>definition) in the new table.
+	 * @param array $columns the columns (name => definition) in the new table.
 	 * @param string $options additional SQL fragment that will be appended to the generated SQL.
 	 * @return Command the command object itself
 	 */
diff --git a/yii/db/Connection.php b/yii/db/Connection.php
index 37a5307..c1e65f9 100644
--- a/yii/db/Connection.php
+++ b/yii/db/Connection.php
@@ -121,7 +121,7 @@ class Connection extends Component
 	 */
 	public $password = '';
 	/**
-	 * @var array PDO attributes (name=>value) that should be set when calling [[open()]]
+	 * @var array PDO attributes (name => value) that should be set when calling [[open()]]
 	 * to establish a DB connection. Please refer to the
 	 * [PHP manual](http://www.php.net/manual/en/function.PDO-setAttribute.php) for
 	 * details about available attributes.
diff --git a/yii/db/Migration.php b/yii/db/Migration.php
index f51e597..51e230b 100644
--- a/yii/db/Migration.php
+++ b/yii/db/Migration.php
@@ -132,7 +132,8 @@ class Migration extends \yii\base\Component
 	 * Executes a SQL statement.
 	 * This method executes the specified SQL statement using [[db]].
 	 * @param string $sql the SQL statement to be executed
-	 * @param array $params input parameters (name=>value) for the SQL execution. See [[Command::execute()]] for more details.
+	 * @param array $params input parameters (name => value) for the SQL execution.
+	 * See [[Command::execute()]] for more details.
 	 */
 	public function execute($sql, $params = array())
 	{
@@ -146,7 +147,7 @@ class Migration extends \yii\base\Component
 	 * Creates and executes an INSERT SQL statement.
 	 * The method will properly escape the column names, and bind the values to be inserted.
 	 * @param string $table the table that new rows will be inserted into.
-	 * @param array $columns the column data (name=>value) to be inserted into the table.
+	 * @param array $columns the column data (name => value) to be inserted into the table.
 	 */
 	public function insert($table, $columns)
 	{
@@ -160,7 +161,7 @@ class Migration extends \yii\base\Component
 	 * Creates and executes an UPDATE SQL statement.
 	 * The method will properly escape the column names and bind the values to be updated.
 	 * @param string $table the table to be updated.
-	 * @param array $columns the column data (name=>value) to be updated.
+	 * @param array $columns the column data (name => value) to be updated.
 	 * @param mixed $condition the conditions that will be put in the WHERE part. Please
 	 * refer to [[Query::where()]] on how to specify conditions.
 	 * @param array $params the parameters to be bound to the query.
@@ -191,7 +192,7 @@ class Migration extends \yii\base\Component
 	/**
 	 * Builds and executes a SQL statement for creating a new DB table.
 	 *
-	 * The columns in the new  table should be specified as name-definition pairs (e.g. 'name'=>'string'),
+	 * The columns in the new  table should be specified as name-definition pairs (e.g. 'name' => 'string'),
 	 * where name stands for a column name which will be properly quoted by the method, and definition
 	 * stands for the column type which can contain an abstract DB type.
 	 *
@@ -201,7 +202,7 @@ class Migration extends \yii\base\Component
 	 * put into the generated SQL.
 	 *
 	 * @param string $table the name of the table to be created. The name will be properly quoted by the method.
-	 * @param array $columns the columns (name=>definition) in the new table.
+	 * @param array $columns the columns (name => definition) in the new table.
 	 * @param string $options additional SQL fragment that will be appended to the generated SQL.
 	 */
 	public function createTable($table, $columns, $options = null)
diff --git a/yii/db/Query.php b/yii/db/Query.php
index 1c319a9..2e03949 100644
--- a/yii/db/Query.php
+++ b/yii/db/Query.php
@@ -124,7 +124,7 @@ class Query extends \yii\base\Component
 	public $union;
 	/**
 	 * @var array list of query parameter values indexed by parameter placeholders.
-	 * For example, `array(':name'=>'Dan', ':age'=>31)`.
+	 * For example, `array(':name' => 'Dan', ':age' => 31)`.
 	 */
 	public $params;
 
@@ -257,7 +257,7 @@ class Query extends \yii\base\Component
 	 * the `NOT LIKE` predicates.
 	 *
 	 * @param string|array $condition the conditions that should be put in the WHERE part.
-	 * @param array $params the parameters (name=>value) to be bound to the query.
+	 * @param array $params the parameters (name => value) to be bound to the query.
 	 * @return Query the query object itself
 	 * @see andWhere()
 	 * @see orWhere()
@@ -274,7 +274,7 @@ class Query extends \yii\base\Component
 	 * The new condition and the existing one will be joined using the 'AND' operator.
 	 * @param string|array $condition the new WHERE condition. Please refer to [[where()]]
 	 * on how to specify this parameter.
-	 * @param array $params the parameters (name=>value) to be bound to the query.
+	 * @param array $params the parameters (name => value) to be bound to the query.
 	 * @return Query the query object itself
 	 * @see where()
 	 * @see orWhere()
@@ -295,7 +295,7 @@ class Query extends \yii\base\Component
 	 * The new condition and the existing one will be joined using the 'OR' operator.
 	 * @param string|array $condition the new WHERE condition. Please refer to [[where()]]
 	 * on how to specify this parameter.
-	 * @param array $params the parameters (name=>value) to be bound to the query.
+	 * @param array $params the parameters (name => value) to be bound to the query.
 	 * @return Query the query object itself
 	 * @see where()
 	 * @see andWhere()
@@ -321,7 +321,7 @@ class Query extends \yii\base\Component
 	 * (which means the table is given as a sub-query or DB expression).
 	 * @param string|array $on the join condition that should appear in the ON part.
 	 * Please refer to [[where()]] on how to specify this parameter.
-	 * @param array $params the parameters (name=>value) to be bound to the query.
+	 * @param array $params the parameters (name => value) to be bound to the query.
 	 * @return Query the query object itself
 	 */
 	public function join($type, $table, $on = '', $params = array())
@@ -338,7 +338,7 @@ class Query extends \yii\base\Component
 	 * (which means the table is given as a sub-query or DB expression).
 	 * @param string|array $on the join condition that should appear in the ON part.
 	 * Please refer to [[where()]] on how to specify this parameter.
-	 * @param array $params the parameters (name=>value) to be bound to the query.
+	 * @param array $params the parameters (name => value) to be bound to the query.
 	 * @return Query the query object itself
 	 */
 	public function innerJoin($table, $on = '', $params = array())
@@ -355,7 +355,7 @@ class Query extends \yii\base\Component
 	 * (which means the table is given as a sub-query or DB expression).
 	 * @param string|array $on the join condition that should appear in the ON part.
 	 * Please refer to [[where()]] on how to specify this parameter.
-	 * @param array $params the parameters (name=>value) to be bound to the query
+	 * @param array $params the parameters (name => value) to be bound to the query
 	 * @return Query the query object itself
 	 */
 	public function leftJoin($table, $on = '', $params = array())
@@ -372,7 +372,7 @@ class Query extends \yii\base\Component
 	 * (which means the table is given as a sub-query or DB expression).
 	 * @param string|array $on the join condition that should appear in the ON part.
 	 * Please refer to [[where()]] on how to specify this parameter.
-	 * @param array $params the parameters (name=>value) to be bound to the query
+	 * @param array $params the parameters (name => value) to be bound to the query
 	 * @return Query the query object itself
 	 */
 	public function rightJoin($table, $on = '', $params = array())
@@ -425,7 +425,7 @@ class Query extends \yii\base\Component
 	 * Sets the HAVING part of the query.
 	 * @param string|array $condition the conditions to be put after HAVING.
 	 * Please refer to [[where()]] on how to specify this parameter.
-	 * @param array $params the parameters (name=>value) to be bound to the query.
+	 * @param array $params the parameters (name => value) to be bound to the query.
 	 * @return Query the query object itself
 	 * @see andHaving()
 	 * @see orHaving()
@@ -442,7 +442,7 @@ class Query extends \yii\base\Component
 	 * The new condition and the existing one will be joined using the 'AND' operator.
 	 * @param string|array $condition the new HAVING condition. Please refer to [[where()]]
 	 * on how to specify this parameter.
-	 * @param array $params the parameters (name=>value) to be bound to the query.
+	 * @param array $params the parameters (name => value) to be bound to the query.
 	 * @return Query the query object itself
 	 * @see having()
 	 * @see orHaving()
@@ -463,7 +463,7 @@ class Query extends \yii\base\Component
 	 * The new condition and the existing one will be joined using the 'OR' operator.
 	 * @param string|array $condition the new HAVING condition. Please refer to [[where()]]
 	 * on how to specify this parameter.
-	 * @param array $params the parameters (name=>value) to be bound to the query.
+	 * @param array $params the parameters (name => value) to be bound to the query.
 	 * @return Query the query object itself
 	 * @see having()
 	 * @see andHaving()
@@ -570,7 +570,7 @@ class Query extends \yii\base\Component
 	/**
 	 * Sets the parameters to be bound to the query.
 	 * @param array $params list of query parameter values indexed by parameter placeholders.
-	 * For example, `array(':name'=>'Dan', ':age'=>31)`.
+	 * For example, `array(':name' => 'Dan', ':age' => 31)`.
 	 * @return Query the query object itself
 	 * @see addParams()
 	 */
@@ -583,7 +583,7 @@ class Query extends \yii\base\Component
 	/**
 	 * Adds additional parameters to be bound to the query.
 	 * @param array $params list of query parameter values indexed by parameter placeholders.
-	 * For example, `array(':name'=>'Dan', ':age'=>31)`.
+	 * For example, `array(':name' => 'Dan', ':age' => 31)`.
 	 * @return Query the query object itself
 	 * @see params()
 	 */
diff --git a/yii/db/QueryBuilder.php b/yii/db/QueryBuilder.php
index a4e30ea..9e7749a 100644
--- a/yii/db/QueryBuilder.php
+++ b/yii/db/QueryBuilder.php
@@ -88,7 +88,7 @@ class QueryBuilder extends \yii\base\Object
 	 * The method will properly escape the table and column names.
 	 *
 	 * @param string $table the table that new rows will be inserted into.
-	 * @param array $columns the column data (name=>value) to be inserted into the table.
+	 * @param array $columns the column data (name => value) to be inserted into the table.
 	 * @param array $params the binding parameters that will be generated by this method.
 	 * They should be bound to the DB command later.
 	 * @return string the INSERT SQL
@@ -156,7 +156,7 @@ class QueryBuilder extends \yii\base\Object
 	 * The method will properly escape the table and column names.
 	 *
 	 * @param string $table the table to be updated.
-	 * @param array $columns the column data (name=>value) to be updated.
+	 * @param array $columns the column data (name => value) to be updated.
 	 * @param mixed $condition the condition that will be put in the WHERE part. Please
 	 * refer to [[Query::where()]] on how to specify condition.
 	 * @param array $params the binding parameters that will be modified by this method
@@ -211,7 +211,7 @@ class QueryBuilder extends \yii\base\Object
 	/**
 	 * Builds a SQL statement for creating a new DB table.
 	 *
-	 * The columns in the new  table should be specified as name-definition pairs (e.g. 'name'=>'string'),
+	 * The columns in the new  table should be specified as name-definition pairs (e.g. 'name' => 'string'),
 	 * where name stands for a column name which will be properly quoted by the method, and definition
 	 * stands for the column type which can contain an abstract DB type.
 	 * The [[getColumnType()]] method will be invoked to convert any abstract type into a physical one.
@@ -230,7 +230,7 @@ class QueryBuilder extends \yii\base\Object
 	 * ~~~
 	 *
 	 * @param string $table the name of the table to be created. The name will be properly quoted by the method.
-	 * @param array $columns the columns (name=>definition) in the new table.
+	 * @param array $columns the columns (name => definition) in the new table.
 	 * @param string $options additional SQL fragment that will be appended to the generated SQL.
 	 * @return string the SQL statement for creating a new DB table.
 	 */
@@ -734,7 +734,7 @@ class QueryBuilder extends \yii\base\Object
 			} else {
 				throw new Exception('Found unknown operator in query: ' . $operator);
 			}
-		} else { // hash format: 'column1'=>'value1', 'column2'=>'value2', ...
+		} else { // hash format: 'column1' => 'value1', 'column2' => 'value2', ...
 			return $this->buildHashCondition($condition, $params);
 		}
 	}
diff --git a/yii/rbac/Manager.php b/yii/rbac/Manager.php
index 5c3c4f6..adc9013 100644
--- a/yii/rbac/Manager.php
+++ b/yii/rbac/Manager.php
@@ -33,9 +33,9 @@ use yii\base\InvalidParamException;
  * at appropriate places in the application code to check if the current user
  * has the needed permission for an operation.
  *
- * @property array $roles Roles (name=>Item).
- * @property array $tasks Tasks (name=>Item).
- * @property array $operations Operations (name=>Item).
+ * @property array $roles Roles (name => Item).
+ * @property array $tasks Tasks (name => Item).
+ * @property array $operations Operations (name => Item).
  *
  * @author Qiang Xue <qiang.xue@gmail.com>
  * @author Alexander Kochetov <creocoder@gmail.com>
@@ -107,7 +107,7 @@ abstract class Manager extends Component
 	 * This is a shortcut method to [[Manager::getItems()]].
 	 * @param mixed $userId the user ID. If not null, only the roles directly assigned to the user
 	 * will be returned. Otherwise, all roles will be returned.
-	 * @return Item[] roles (name=>AuthItem)
+	 * @return Item[] roles (name => AuthItem)
 	 */
 	public function getRoles($userId = null)
 	{
@@ -119,7 +119,7 @@ abstract class Manager extends Component
 	 * This is a shortcut method to [[Manager::getItems()]].
 	 * @param mixed $userId the user ID. If not null, only the tasks directly assigned to the user
 	 * will be returned. Otherwise, all tasks will be returned.
-	 * @return Item[] tasks (name=>AuthItem)
+	 * @return Item[] tasks (name => AuthItem)
 	 */
 	public function getTasks($userId = null)
 	{
@@ -131,7 +131,7 @@ abstract class Manager extends Component
 	 * This is a shortcut method to [[Manager::getItems()]].
 	 * @param mixed $userId the user ID. If not null, only the operations directly assigned to the user
 	 * will be returned. Otherwise, all operations will be returned.
-	 * @return Item[] operations (name=>AuthItem)
+	 * @return Item[] operations (name => AuthItem)
 	 */
 	public function getOperations($userId = null)
 	{
diff --git a/yii/web/Pagination.php b/yii/web/Pagination.php
index 8d08c93..20241ef 100644
--- a/yii/web/Pagination.php
+++ b/yii/web/Pagination.php
@@ -80,7 +80,7 @@ class Pagination extends \yii\base\Object
 	 */
 	public $route;
 	/**
-	 * @var array parameters (name=>value) that should be used to obtain the current page number
+	 * @var array parameters (name => value) that should be used to obtain the current page number
 	 * and to create new pagination URLs. If not set, $_GET will be used instead.
 	 *
 	 * The array element indexed by [[pageVar]] is considered to be the current page number.
diff --git a/yii/web/UrlRule.php b/yii/web/UrlRule.php
index 96cb994..ed2bc14 100644
--- a/yii/web/UrlRule.php
+++ b/yii/web/UrlRule.php
@@ -36,7 +36,7 @@ class UrlRule extends Object
 	 */
 	public $route;
 	/**
-	 * @var array the default GET parameters (name=>value) that this rule provides.
+	 * @var array the default GET parameters (name => value) that this rule provides.
 	 * When this rule is used to parse the incoming request, the values declared in this property
 	 * will be injected into $_GET.
 	 */
diff --git a/yii/widgets/ContentDecorator.php b/yii/widgets/ContentDecorator.php
index 3f63621..f91117a 100644
--- a/yii/widgets/ContentDecorator.php
+++ b/yii/widgets/ContentDecorator.php
@@ -22,7 +22,7 @@ class ContentDecorator extends Widget
 	 */
 	public $viewFile;
 	/**
-	 * @var array the parameters (name=>value) to be extracted and made available in the decorative view.
+	 * @var array the parameters (name => value) to be extracted and made available in the decorative view.
 	 */
 	public $params = array();