diff --git a/doc/user_guide.txt b/doc/user_guide.txt
index 19f44141e43237f5e723e8881c5e5ceb8c9d7fae..474dcdc222e931fbeed880977d934f5c5213a53a 100644 (file)
--- a/doc/user_guide.txt
+++ b/doc/user_guide.txt
User Guide
==========
-:Version: $Revision: 1.26 $
+:Version: $Revision: 1.27 $
.. contents::
When searching on interval properties use the same syntax as for dates.
+Simple support for collision detection
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Item edit pages remember when the item was last edited. When a form is
+submitted, the user will be informed if someone else has edited the item
+at the same time they tried to.
+
+
Web Interface
=============