diff --git a/runtime/doc/gui.txt b/runtime/doc/gui.txt
index 0fccedd..6e08752 100644
--- a/runtime/doc/gui.txt
+++ b/runtime/doc/gui.txt
@@ -1,4 +1,4 @@
-*gui.txt*       For Vim version 9.0.  Last change: 2023 Apr 29
+*gui.txt*       For Vim version 9.1.  Last change: 2023 Apr 29
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar