Add missing doc param

Change-Id: I674b0bdaab33f858a63afb1dfa04618311086ab5

diff --git a/includes/EditPage.php b/includes/EditPage.php
index 5b0bc8a..82ddee0 100644 (file)
--- a/includes/EditPage.php
+++ b/includes/EditPage.php
@@ -3407,6 +3407,7 @@ HTML
         *
         * @param Title $title
         * @param string $format Output format, valid values are any function of a Message object
+        * @param Language|string|null $langcode Language code or Language object.
         * @return string
         */
        public static function getCopyrightWarning( $title, $format = 'plain', $langcode = null ) {