diff --git a/runtime/doc/hangulin.txt b/runtime/doc/hangulin.txt
index 76db5b2..3f37d8e 100644
--- a/runtime/doc/hangulin.txt
+++ b/runtime/doc/hangulin.txt
@@ -1,4 +1,4 @@
-*hangulin.txt*  For Vim version 9.0.  Last change: 2019 Nov 21
+*hangulin.txt*  For Vim version 9.1.  Last change: 2019 Nov 21
 
 
 		  VIM REFERENCE MANUAL    by Chi-Deok Hwang and Sung-Hyun Nam