diff --git a/docs/documentation/overview/customize.html b/docs/documentation/overview/customize.html
index 351a2a32..93f29caf 100644
--- a/docs/documentation/overview/customize.html
+++ b/docs/documentation/overview/customize.html
@@ -8,6 +8,8 @@ doc-subtab: customize
 {% capture sass %}
 // 1. Import the initial variables
 @import "../sass/utilities/initial-variables"
+@import "../sass/utilities/function";
+@import "../sass/utilities/derived-variables.sass";
 
 // 2. Set your own initial variables
 // Update blue