Update runtime files.
diff --git a/runtime/doc/version5.txt b/runtime/doc/version5.txt
index a3e3cfe..f87d904 100644
--- a/runtime/doc/version5.txt
+++ b/runtime/doc/version5.txt
@@ -221,8 +221,8 @@
 file twice, the autocommands in it will be defined twice.  To avoid this, do
 one of these:
 
-- Remove any autocommands that might potentially defined twice before
-  defining them.  Example: >
+- Remove any autocommands that might already be defined before defining
+  them.  Example: >
 	:au! * *.ext
 	:au BufEnter *.ext ...