diff --git a/mkdocs.yml b/mkdocs.yml
index 9ccd42148e..1aa87e5ae6 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -35,7 +35,7 @@ nav:
       - Testing extensions: extensions/testing-and-publishing/testing.md
       - Publishing extensions: extensions/testing-and-publishing/publishing.md
       - Bundling extensions: extensions/testing-and-publishing/bundling.md
-    - API reference: extensions/api/modules/_src_extensions_extension_api_.md
+    - API reference: extensions/api/README.md
   - Contributing:
     - Overview: contributing/README.md
     - Development: contributing/development.md