Update runtime files.
diff --git a/runtime/doc/spell.txt b/runtime/doc/spell.txt
index 6f42eb3..2b096e3 100644
--- a/runtime/doc/spell.txt
+++ b/runtime/doc/spell.txt
@@ -1646,4 +1646,4 @@
 		is no need to separate words before checking them (using a
 		trie instead of a hashtable).
 
- vim:tw=78:sw=4:ts=8:ft=help:norl:
+ vim:tw=78:sw=4:ts=8:noet:ft=help:norl: