diff --git a/wp-includes/theme.php b/wp-includes/theme.php
index c7d04d3c61..815fd06c4a 100644
--- a/wp-includes/theme.php
+++ b/wp-includes/theme.php
@@ -1668,7 +1668,7 @@ add_action( 'wp_loaded', '_custom_header_background_just_in_time' );
  * @since 3.1.0
  *
  * @param string $feature the feature to check
- * @return array The array of extra arguments
+ * @return mixed The array of extra arguments or value of registered featured.
  */
 function get_theme_support( $feature ) {
 	global $_wp_theme_features;
diff --git a/wp-includes/version.php b/wp-includes/version.php
index d68f8d70e9..ecdcfce216 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.1-alpha-30187';
+$wp_version = '4.1-alpha-30188';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.