diff --git a/mkdocs.yml b/mkdocs.yml
index 5e20300ad8fff3b04dfc27e1bc28d1f1ef6299f1..9fc2a768d5870f3034dda294145e28627ee99942 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -189,7 +189,7 @@ extra:
     next: 'Next'
 
 markdown_extensions:
-  - codehilite(css_class=code,linenums=true)
+  - codehilite
   - admonition
   - toc:
-      permalink: '#'
+      permalink: '(H)'