Update runtime files
diff --git a/runtime/doc/intro.txt b/runtime/doc/intro.txt
index 5cbaf67..04d5f5c 100644
--- a/runtime/doc/intro.txt
+++ b/runtime/doc/intro.txt
@@ -1,4 +1,4 @@
-*intro.txt*     For Vim version 9.0.  Last change: 2022 Oct 12
+*intro.txt*     For Vim version 9.0.  Last change: 2022 Nov 20
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar