diff --git a/dactyl-config.yml b/dactyl-config.yml
index b810c9012d..c6d1a6762e 100644
--- a/dactyl-config.yml
+++ b/dactyl-config.yml
@@ -400,7 +400,7 @@ pages:
         html: docs.html
         parent: index.html
         template: page-docs.html.jinja
-        sidebar: left-only
+        sidebar: left_only
         top_nav_name: Docs
         top_nav_shortcuts:
             # Programming Languages