Improve doc for mw.util.getParamValue

Change-Id: I4f008617c278a30eb43d21c942e1ab06a6db1c0a

diff --git a/resources/mediawiki/mediawiki.util.js b/resources/mediawiki/mediawiki.util.js
index bd8e596..481929d 100644 (file)
--- a/resources/mediawiki/mediawiki.util.js
+++ b/resources/mediawiki/mediawiki.util.js
@@ -253,7 +253,7 @@
                 * Returns null if not found.
                 *
                 * @param {string} param The parameter name.
-                * @param {string} [url] URL to search through.
+                * @param {string} [url=document.location.href] URL to search through, defaulting to the current document's URL.
                 * @return {Mixed} Parameter value or null.
                 */
                getParamValue: function ( param, url ) {