Update runtime files.
diff --git a/runtime/tutor/tutor.utf-8 b/runtime/tutor/tutor.utf-8
index daf42b6..da28a15 100644
--- a/runtime/tutor/tutor.utf-8
+++ b/runtime/tutor/tutor.utf-8
@@ -658,7 +658,7 @@
   4. Type  w TEST  , where TEST is a filename that does not exist yet.  Verify
      that you see  :'<,'>w TEST  before you press <ENTER>.
 
-  5. Vim will write the selected lines to the file TEST.  Use  :!dir  or  !ls
+  5. Vim will write the selected lines to the file TEST.  Use  :!dir  or  :!ls
      to see it.  Do not remove it yet!  We will use it in the next lesson.
 
 NOTE:  Pressing  v  starts Visual selection.  You can move the cursor around