diff --git a/docs/tools b/docs/tools
index 94af39f..529c7ab 160000
--- a/docs/tools
+++ b/docs/tools
@@ -1 +1 @@
-Subproject commit 94af39fae5d681a0eb0d695a94a4f1a19dc408ea
+Subproject commit 529c7ab5a1cd6ce3bc48a72832ccdcf904b51b4c
diff --git a/mkdocs.yml b/mkdocs.yml
index 48accc0..1808f63 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -19,7 +19,8 @@ markdown_extensions:
   - pymdownx.superfences
   - attr_list
   - md_in_html
-  - pymdownx.tabbed:
+  - pymdownx.tabbed
+  - footnotes
 
 
 
@@ -32,4 +33,4 @@ edit_uri: _edit/main/docs/
 
 
 extra_css:
-  - extra.css
\ No newline at end of file
+  - extra.css