Index: _source/lang/en.js
===================================================================
--- _source/lang/en.js	(revision 6529)
+++ _source/lang/en.js	(working copy)
@@ -715,6 +715,8 @@
 	{
 		title		: 'About CKEditor',
 		dlgTitle	: 'About CKEditor',
+		help	: 'Check $1 for help.',
+		userGuide : 'CKEditor 3.x User\'s Guide',
 		moreInfo	: 'For licensing information please visit our web site:',
 		copy		: 'Copyright © $1. All rights reserved.'
 	},
Index: _source/plugins/about/dialogs/about.js
===================================================================
--- _source/plugins/about/dialogs/about.js	(revision 6529)
+++ _source/plugins/about/dialogs/about.js	(working copy)
@@ -57,6 +57,9 @@
 									'<a href="http://ckeditor.com/">http://ckeditor.com</a>' +
 								'</p>' +
 								'<p>' +
+									lang.help.replace( '$1', '<a href="http://docs.cksource.com/CKEditor_3.x/Users_Guide/Quick_Reference">' + lang.userGuide + '</a>' ) +
+								'</p>' +
+								'<p>' +
 									lang.moreInfo + '<br>' +
 									'<a href="http://ckeditor.com/license">http://ckeditor.com/license</a>' +
 								'</p>' +