diff --git a/src/wp-includes/deprecated.php b/src/wp-includes/deprecated.php
index 1c5bdfe2f8..8b6ee1690e 100644
--- a/src/wp-includes/deprecated.php
+++ b/src/wp-includes/deprecated.php
@@ -2412,11 +2412,14 @@ function get_profile( $field, $user = false ) {
 }
 
 /**
- * Number of posts user has written.
+ * Retrieves the number of posts a user has written.
  *
  * @since 0.71
  * @deprecated 3.0.0 Use count_user_posts()
  * @see count_user_posts()
+ *
+ * @param int $userid User to count posts for.
+ * @return int Number of posts the given user has written.
  */
 function get_usernumposts( $userid ) {
 	_deprecated_function( __FUNCTION__, '3.0', 'count_user_posts()' );