add help link when user needs to refresh page

services/web/app/views/project/editor.jade

@@ -76,7 +76,7 @@ block content
 				ng-click="done()"
 			) ×
 			h3 {{ title }}
-		.modal-body {{ message }}
+		.modal-body(ng-bind-html="message")
 		.modal-footer
 			button.btn.btn-info(ng-click="done()") #{translate("ok")}
 

services/web/public/coffee/ide/editor/EditorManager.coffee

@@ -86,6 +86,7 @@ define [
 				@_bindToDocumentEvents(doc, new_sharejs_doc)
 				callback null, new_sharejs_doc
 
+
 		_bindToDocumentEvents: (doc, sharejs_doc) ->
 			sharejs_doc.on "error", (error, meta) =>
 				if error?.message?.match "maxDocLength"
@@ -98,7 +99,7 @@ define [
 					@ide.reportError(error, meta)
 					@ide.showGenericMessageModal(
 						"Out of sync"
-						"Sorry, this file has gone out of sync and we need to do a full refresh. Please let us know if this happens frequently."
+						"Sorry, this file has gone out of sync and we need to do a full refresh. <br> <a href='http://sharelatex.tenderapp.com/help/kb/browsers/editor-out-of-sync-problems'>Please see this help guide for more information</a>"
 					)
 				@openDoc(doc, forceReopen: true)