diff --git a/material.angular.io/src/app/pages/component-category-list/component-category-list.html b/material.angular.io/src/app/pages/component-category-list/component-category-list.html
index 74e933da83f1..21a684a0ccbf 100644
--- a/material.angular.io/src/app/pages/component-category-list/component-category-list.html
+++ b/material.angular.io/src/app/pages/component-category-list/component-category-list.html
@@ -1,4 +1,4 @@
-<div class="docs-component-category-list-summary"
+<div class="docs-component-category-list-summary docs-markdown"
      id="category-summary"
      focusOnNavigation>
   <div [innerHTML]="_categoryListSummary"></div>