diff --git a/docs/nuxt.config.ts b/docs/nuxt.config.ts
index f15c4fb4..faea2eef 100644
--- a/docs/nuxt.config.ts
+++ b/docs/nuxt.config.ts
@@ -41,7 +41,8 @@ export default defineNuxtConfig({
   content: {
     highlight: {
       langs: [
-        'postcss'
+        'postcss',
+        'mdc'
       ]
     },
     sources: {