Update runtime files.
diff --git a/runtime/doc/usr_22.txt b/runtime/doc/usr_22.txt
index 1720997..06ab022 100644
--- a/runtime/doc/usr_22.txt
+++ b/runtime/doc/usr_22.txt
@@ -397,4 +397,4 @@
 
 Next chapter: |usr_23.txt|  Editing other files
 
-Copyright: see |manual-copyright|  vim:tw=78:ts=8:ft=help:norl:
+Copyright: see |manual-copyright|  vim:tw=78:ts=8:noet:ft=help:norl: