diff --git a/src/wp-includes/cache.php b/src/wp-includes/cache.php
index d75c82c669..66c9991e04 100644
--- a/src/wp-includes/cache.php
+++ b/src/wp-includes/cache.php
@@ -37,7 +37,7 @@ function wp_cache_add( $key, $data, $group = '', $expire = 0 ) {
  *
  * @since 2.0.0
  *
- * @return bool Always returns True
+ * @return true Always returns True
  */
 function wp_cache_close() {
 	return true;
@@ -105,7 +105,7 @@ function wp_cache_flush() {
  * @param bool $force Whether to force an update of the local cache from the persistent cache (default is false)
  * @param bool &$found Whether key was found in the cache. Disambiguates a return of false, a storable value.
  * @return bool|mixed False on failure to retrieve contents or the cache
- *		contents on success
+ *		              contents on success
  */
 function wp_cache_get( $key, $group = '', $force = false, &$found = null ) {
 	global $wp_object_cache;
@@ -135,7 +135,8 @@ function wp_cache_incr( $key, $offset = 1, $group = '' ) {
  * Sets up Object Cache Global and assigns it.
  *
  * @since 2.0.0
- * @global WP_Object_Cache $wp_object_cache WordPress Object Cache
+ * @global $wp_object_cache WordPress Object Cache instance
+ * @uses WP_Object_Cache
  */
 function wp_cache_init() {
 	$GLOBALS['wp_object_cache'] = new WP_Object_Cache();
@@ -192,7 +193,7 @@ function wp_cache_set( $key, $data, $group = '', $expire = 0 ) {
 function wp_cache_switch_to_blog( $blog_id ) {
 	global $wp_object_cache;
 
-	return $wp_object_cache->switch_to_blog( $blog_id );
+	$wp_object_cache->switch_to_blog( $blog_id );
 }
 
 /**
@@ -205,7 +206,7 @@ function wp_cache_switch_to_blog( $blog_id ) {
 function wp_cache_add_global_groups( $groups ) {
 	global $wp_object_cache;
 
-	return $wp_object_cache->add_global_groups( $groups );
+	$wp_object_cache->add_global_groups( $groups );
 }
 
 /**
@@ -239,7 +240,7 @@ function wp_cache_reset() {
 
 	global $wp_object_cache;
 
-	return $wp_object_cache->reset();
+	$wp_object_cache->reset();
 }
 
 /**
@@ -499,8 +500,8 @@ class WP_Object_Cache {
 	 * @param int|string $key What the contents in the cache are called
 	 * @param string $group Where the cache contents are grouped
 	 * @param string $force Whether to force a refetch rather than relying on the local cache (default is false)
-	 * @return bool|mixed False on failure to retrieve contents or the cache
-	 *		contents on success
+	 * @return false|mixed False on failure to retrieve contents or the cache
+	 *		               contents on success
 	 */
 	public function get( $key, $group = 'default', $force = false, &$found = null ) {
 		if ( empty( $group ) )
@@ -616,7 +617,7 @@ class WP_Object_Cache {
 	 * @param mixed $data The contents to store in the cache
 	 * @param string $group Where to group the cache contents
 	 * @param int $expire Not Used
-	 * @return bool Always returns true
+	 * @return true Always returns true
 	 */
 	public function set( $key, $data, $group = 'default', $expire = 0 ) {
 		if ( empty( $group ) )
@@ -706,7 +707,7 @@ class WP_Object_Cache {
 	 *
 	 * @since  2.0.8
 	 *
-	 * @return bool True value. Won't be used by PHP
+	 * @return true True value. Won't be used by PHP
 	 */
 	public function __destruct() {
 		return true;