diff --git a/runtime/doc/if_perl.txt b/runtime/doc/if_perl.txt
index 5cc992d..86edd05 100644
--- a/runtime/doc/if_perl.txt
+++ b/runtime/doc/if_perl.txt
@@ -1,4 +1,4 @@
-*if_perl.txt*   For Vim version 9.0.  Last change: 2023 May 14
+*if_perl.txt*   For Vim version 9.1.  Last change: 2023 May 14
 
 
 		  VIM REFERENCE MANUAL    by Sven Verdoolaege