Updated caching docs

docs/guide/caching-data.md

@@ -118,9 +118,9 @@ All cache components have the same base class [[yii\caching\Cache]] and thus sup
   value will be returned if the data item is not found in the cache or is expired/invalidated.
 * [[yii\caching\Cache::set()|set()]]: stores a data item identified by a key in cache.
 * [[yii\caching\Cache::add()|add()]]: stores a data item identified by a key in cache if the key is not found in the cache.
-* [[yii\caching\Cache::mget()|mget()]]: retrieves multiple data items from cache with the specified keys.
-* [[yii\caching\Cache::mset()|mset()]]: stores multiple data items in cache. Each item is identified by a key.
-* [[yii\caching\Cache::madd()|madd()]]: stores multiple data items in cache. Each item is identified by a key.
+* [[yii\caching\Cache::multiGet()|multiGet()]]: retrieves multiple data items from cache with the specified keys.
+* [[yii\caching\Cache::multiSet()|multiSet()]]: stores multiple data items in cache. Each item is identified by a key.
+* [[yii\caching\Cache::multiAdd()|multiAdd()]]: stores multiple data items in cache. Each item is identified by a key.
   If a key already exists in the cache, the data item will be skipped.
 * [[yii\caching\Cache::exists()|exists()]]: returns a value indicating whether the specified key is found in the cache.
 * [[yii\caching\Cache::delete()|delete()]]: removes a data item identified by a key from the cache.
@@ -131,8 +131,8 @@ All cache components have the same base class [[yii\caching\Cache]] and thus sup
 this array instead to avoid this problem.
 
 Some cache storage, such as MemCache, APC, support retrieving multiple cached values in a batch mode,
-which may reduce the overhead involved in retrieving cached data. The APIs [[yii\caching\Cache::mget()|mget()]]
-and [[yii\caching\Cache::madd()|madd()]] are provided to exploit this feature. In case the underlying cache storage
+which may reduce the overhead involved in retrieving cached data. The APIs [[yii\caching\Cache::multiGet()|multiGet()]]
+and [[yii\caching\Cache::multiAdd()|multiAdd()]] are provided to exploit this feature. In case the underlying cache storage
 does not support this feature, it will be simulated.
 
 Because [[yii\caching\Cache]] implements `ArrayAccess`, a cache component can be used like an array. The following