Minor runtime file updates.
diff --git a/runtime/optwin.vim b/runtime/optwin.vim
index 01654c5..7989461 100644
--- a/runtime/optwin.vim
+++ b/runtime/optwin.vim
@@ -407,6 +407,9 @@
   call append("$", "cursorline\thighlight the screen line of the cursor")
   call append("$", "\t(local to window)")
   call <SID>BinOptionL("cul")
+  call append("$", "colorcolumn\tcolumns to highlight")
+  call append("$", "\t(local to window)")
+  call <SID>OptionL("cc")
   call append("$", "spell\thighlight spelling mistakes")
   call append("$", "\t(local to window)")
   call <SID>BinOptionL("spell")