diff --git a/Configuration.md b/Configuration.md
index cbb7fbd..0929613 100644
--- a/Configuration.md
+++ b/Configuration.md
@@ -35,6 +35,10 @@ default: `orange`
 Changes sign column background color. Possible values are any of gruvbox palette.  
 default: `dark1`
 
+### g:gruvbox_vert_split
+Changes vertical background color. Possible values are any of gruvbox palette.  
+default: `dark2`
+
 ### g:gruvbox_italicize_comments
 Enables italic for comments.  
 default: `1`