diff --git a/mkdocs.yml b/mkdocs.yml
index f1ecdd33..7bc8d796 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -21,6 +21,7 @@ markdown_extensions:
   - pymdownx.snippets
   - pymdownx.superfences
   - attr_list
+  - md_in_html
   - pymdownx.emoji:
       emoji_index: !!python/name:materialx.emoji.twemoji
       emoji_generator: !!python/name:materialx.emoji.to_svg