diff --git a/runtime/doc/debugger.txt b/runtime/doc/debugger.txt
index 5c5c8d3..6b2b252 100644
--- a/runtime/doc/debugger.txt
+++ b/runtime/doc/debugger.txt
@@ -1,4 +1,4 @@
-*debugger.txt*  For Vim version 9.0.  Last change: 2019 Dec 21
+*debugger.txt*  For Vim version 9.1.  Last change: 2019 Dec 21
 
 
 		  VIM REFERENCE MANUAL    by Gordon Prieur