diff --git a/wp-includes/post-formats.php b/wp-includes/post-formats.php
index 7800ba0bd6..47db10b176 100644
--- a/wp-includes/post-formats.php
+++ b/wp-includes/post-formats.php
@@ -102,11 +102,11 @@ function get_post_format_strings() {
 }
 
 /**
- * Retrieves an array of post format slugs.
+ * Retrieves the array of post format slugs.
  *
  * @since 3.1.0
  *
- * @return array The array of post format slugs.
+ * @return array The array of post format slugs as both keys and values.
  */
 function get_post_format_slugs() {
 	$slugs = array_keys( get_post_format_strings() );
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 35c3de762a..0b7084cf68 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.9-alpha-41283';
+$wp_version = '4.9-alpha-41284';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.