diff --git a/exampleSite/content/basics/customization/_index.en.md b/exampleSite/content/basics/customization/_index.en.md
index cf66503429..29f30118a6 100644
--- a/exampleSite/content/basics/customization/_index.en.md
+++ b/exampleSite/content/basics/customization/_index.en.md
@@ -99,6 +99,9 @@ First, create a new CSS file in your local `static/css` folder prefixed by `them
     --MAIN-LINK-HOVER-color:#167ad0; /* Color of hovered links */
     --MAIN-ANCHOR-color: #1C90F3; /* color of anchors on titles */
 
+    --MAIN-CODE-color: #e2e4e5; /* fallback color for code background */
+    --MAIN-CODE-BG-color: #282a36; /* fallback color for code text */
+
     --MENU-HOME-LINK-color: #323232; /* Color of the home button text */
     --MENU-HOME-LINK-HOVER-color: #5e5e5e; /* Color of the hovered home button text */