Update runtime files.
diff --git a/runtime/doc/usr_05.txt b/runtime/doc/usr_05.txt
index e2424d6..a77f90b 100644
--- a/runtime/doc/usr_05.txt
+++ b/runtime/doc/usr_05.txt
@@ -664,4 +664,4 @@
 
 Next chapter: |usr_06.txt|  Using syntax highlighting
 
-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: