diff --git a/runtime/doc/gui_x11.txt b/runtime/doc/gui_x11.txt
index 6d16500..1ae656e 100644
--- a/runtime/doc/gui_x11.txt
+++ b/runtime/doc/gui_x11.txt
@@ -1,4 +1,4 @@
-*gui_x11.txt*   For Vim version 7.3.  Last change: 2010 Jul 20
+*gui_x11.txt*   For Vim version 7.3.  Last change: 2011 Sep 14
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -53,6 +53,8 @@
 ":gui -b".
 
 "gvim --nofork" does the same as "gvim -f".
+								*E851* *E852*
+When starting the GUI fails Vim will try to continue running in the terminal.
 
 If you want the GUI to run in the foreground always, include the 'f'
 flag in 'guioptions'.  |-f|.