diff --git a/mkdocs.yml b/mkdocs.yml
index b28aca2..1d9d32e 100755
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -29,7 +29,7 @@ theme:
     - navigation.instant
     #- navigation.sections # prevents collapsible sections
     - navigation.indexes # section index pages
-    #- navigation.expand #expands sections by default
+    - navigation.expand #expands sections by default
     - navigation.tabs
     - navigation.tabs.sticky
     - navigation.top