diff --git a/ui/jquery.ui.core.js b/ui/jquery.ui.core.js
index eea34e5338..bb9411dc91 100644
--- a/ui/jquery.ui.core.js
+++ b/ui/jquery.ui.core.js
@@ -6,7 +6,7 @@
  * Released under the MIT license.
  * http://jquery.org/license
  *
- * http://api.jqueryui.com/category/core/
+ * http://api.jqueryui.com/category/ui-core/
  */
 (function( $, undefined ) {
 
diff --git a/ui/jquery.ui.effect.js b/ui/jquery.ui.effect.js
index d262e51352..d5d3067838 100644
--- a/ui/jquery.ui.effect.js
+++ b/ui/jquery.ui.effect.js
@@ -6,7 +6,7 @@
  * Released under the MIT license.
  * http://jquery.org/license
  *
- * http://api.jqueryui.com/category/effects/
+ * http://api.jqueryui.com/category/effects-core/
  */
 ;(jQuery.effects || (function($, undefined) {