Update runtime files.
diff --git a/runtime/doc/usr_25.txt b/runtime/doc/usr_25.txt
index f5be3e0..7f65a85 100644
--- a/runtime/doc/usr_25.txt
+++ b/runtime/doc/usr_25.txt
@@ -579,4 +579,4 @@
 
 Next chapter: |usr_26.txt|  Repeating
 
-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: