diff --git a/ui/jquery.ui.draggable.js b/ui/jquery.ui.draggable.js
index 685b158c2..619337610 100644
--- a/ui/jquery.ui.draggable.js
+++ b/ui/jquery.ui.draggable.js
@@ -6,7 +6,7 @@
  * Released under the MIT license.
  * http://jquery.org/license
  *
- * http://docs.jquery.com/UI/Draggable
+ * http://api.jqueryui.com/draggable/
  *
  * Depends:
  *	jquery.ui.core.js
diff --git a/ui/jquery.ui.droppable.js b/ui/jquery.ui.droppable.js
index 02c29b65a..17b9f25a6 100644
--- a/ui/jquery.ui.droppable.js
+++ b/ui/jquery.ui.droppable.js
@@ -6,7 +6,7 @@
  * Released under the MIT license.
  * http://jquery.org/license
  *
- * http://docs.jquery.com/UI/Droppable
+ * http://api.jqueryui.com/droppable/
  *
  * Depends:
  *	jquery.ui.core.js
diff --git a/ui/jquery.ui.interaction.js b/ui/jquery.ui.interaction.js
index eacb80e4d..cfde80cb5 100644
--- a/ui/jquery.ui.interaction.js
+++ b/ui/jquery.ui.interaction.js
@@ -5,7 +5,7 @@
  * Dual licensed under the MIT or GPL Version 2 licenses.
  * http://jquery.org/license
  *
- * http://docs.jquery.com/UI/Interaction
+ * http://api.jqueryui.com/interaction/
  *
  * Depends:
  *	jquery.ui.widget.js
diff --git a/ui/jquery.ui.sortable.js b/ui/jquery.ui.sortable.js
index 735dbf116..723a1c35c 100644
--- a/ui/jquery.ui.sortable.js
+++ b/ui/jquery.ui.sortable.js
@@ -6,7 +6,7 @@
  * Released under the MIT license.
  * http://jquery.org/license
  *
- * http://docs.jquery.com/UI/Sortable
+ * http://api.jqueryui.com/sortable/
  *
  * Depends:
  *	jquery.ui.core.js