diff --git a/mkdocs.yml b/mkdocs.yml
index b96075f..799ee77 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -53,6 +53,9 @@ markdown_extensions:
   - pymdownx.superfences
   - pymdownx.tabbed:
       alternate_style: true
+  - pymdownx.tilde
+  - pymdownx.caret
+  - pymdownx.keys
 nav:
   - 'index.md'
   - 'Documentation':