diff --git a/runtime/doc/usr_52.txt b/runtime/doc/usr_52.txt
index 787dd91..222b899 100644
--- a/runtime/doc/usr_52.txt
+++ b/runtime/doc/usr_52.txt
@@ -1,4 +1,4 @@
-*usr_52.txt*	For Vim version 9.0.  Last change: 2022 Jun 04
+*usr_52.txt*	For Vim version 9.1.  Last change: 2022 Jun 04
 
 		     VIM USER MANUAL - by Bram Moolenaar