typo in crud generator

fixes #1131

extensions/gii/generators/crud/Generator.php

@@ -84,7 +84,7 @@ class Generator extends \yii\gii\Generator
 				If not set, it means the controller will belong to the application.',
 			'indexWidgetType' => 'This is the widget type to be used in the index page to display list of the models.
 				You may choose either <code>GridView</code> or <code>ListView</code>',
-			'searchModelClass' => 'This is the class representing the data being collecting in the search form.
+			'searchModelClass' => 'This is the class representing the data being collected in the search form.
 			 	A fully qualified namespaced class name is required, e.g., <code>app\models\search\PostSearch</code>.',
 		];
 	}