diff --git a/src/wp-includes/post-formats.php b/src/wp-includes/post-formats.php
index 7800ba0bd6..47db10b176 100644
--- a/src/wp-includes/post-formats.php
+++ b/src/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() );