diff --git a/src/wp-includes/user.php b/src/wp-includes/user.php
index d62e5e7cf9..e00c7edea7 100644
--- a/src/wp-includes/user.php
+++ b/src/wp-includes/user.php
@@ -278,7 +278,7 @@ function wp_validate_logged_in_cookie( $user_id ) {
  * @param int          $userid      User ID.
  * @param array|string $post_type   Optional. Single post type or array of post types to count the number of posts for. Default 'post'.
  * @param bool         $public_only Optional. Whether to only return counts for public posts. Default false.
- * @return int Number of posts the user has written in this post type.
+ * @return string Number of posts the user has written in this post type.
  */
 function count_user_posts( $userid, $post_type = 'post', $public_only = false ) {
 	global $wpdb;