diff --git a/Configuration.md b/Configuration.md
index 2357345..5a9937f 100644
--- a/Configuration.md
+++ b/Configuration.md
@@ -43,6 +43,10 @@ default: `orange`
 Changes sign column background color. Possible values are any of gruvbox palette.  
 default: `dark1`
 
+### g:gruvbox_color_column
+Changes color column background color. Possible values are any of gruvbox palette.  
+default: `dark1`
+
 ### g:gruvbox_vert_split
 Changes vertical split background color. Possible values are any of gruvbox palette.  
 default: `dark2`