Minor runtime file updates.
diff --git a/runtime/doc/quickref.txt b/runtime/doc/quickref.txt
index 3bc86b5..564be8e 100644
--- a/runtime/doc/quickref.txt
+++ b/runtime/doc/quickref.txt
@@ -639,6 +639,7 @@
'clipboard' 'cb' use the clipboard as the unnamed register
'cmdheight' 'ch' number of lines to use for the command-line
'cmdwinheight' 'cwh' height of the command-line window
+'colorcolumn' 'cc' columns to highlight
'columns' 'co' number of columns in the display
'comments' 'com' patterns that can start a comment line
'commentstring' 'cms' template for comments; used for fold marker