Update runtime files
diff --git a/runtime/doc/message.txt b/runtime/doc/message.txt
index 805fc37..2e23ac4 100644
--- a/runtime/doc/message.txt
+++ b/runtime/doc/message.txt
@@ -1,4 +1,4 @@
-*message.txt* For Vim version 9.0. Last change: 2022 Jan 26
+*message.txt* For Vim version 9.0. Last change: 2022 Oct 18
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -635,6 +635,7 @@
find out what happened, and decide which version of the file you want to keep.
Set the 'autoread' option if you want to do this automatically.
This message is not given when 'buftype' is not empty.
+Also see the |FileChangedShell| autocommand.
There is one situation where you get this message even though there is nothing
wrong: If you save a file in Windows on the day the daylight saving time