diff --git a/mkdocs.yml b/mkdocs.yml
index 8b9750fc..fd5a2122 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -142,5 +142,5 @@ nav:
           - iOS: iOS-client.md
   - Proposals:
       - ACLs: proposals/001-acls.md
-      - Better routing: proposals/002-better-routing.mdd
+      - Better routing: proposals/002-better-routing.md
   - Glossary: glossary.md