Documentation updates.
diff --git a/runtime/doc/gui.txt b/runtime/doc/gui.txt
index efe6319..10c729d 100644
--- a/runtime/doc/gui.txt
+++ b/runtime/doc/gui.txt
@@ -1,4 +1,4 @@
-*gui.txt*       For Vim version 8.0.  Last change: 2014 Mar 08
+*gui.txt*       For Vim version 8.0.  Last change: 2017 Jul 15
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -79,7 +79,8 @@
   and DOS/Win32 "_gvimrc" is tried first.
 
 NOTE: All but the first one are not carried out if Vim was started with
-"-u NONE" and no "-U" argument was given, or when started with "-U NONE".
+"-u NONE" or "-u DEFAULTS" and no "-U" argument was given, or when started
+with "-U NONE".
 
 All this happens AFTER the normal Vim initializations, like reading your
 .vimrc file.  See |initialization|.