diff --git a/runtime/doc/pi_tar.txt b/runtime/doc/pi_tar.txt
index 37b2886..0ab111c 100644
--- a/runtime/doc/pi_tar.txt
+++ b/runtime/doc/pi_tar.txt
@@ -1,4 +1,4 @@
-*pi_tar.txt*	For Vim version 9.0.  Last change: 2022 Oct 17
+*pi_tar.txt*	For Vim version 9.1.  Last change: 2022 Oct 17
 
 		       +====================+
 		       | Tar File Interface |