diff --git a/mkdocs.yml b/mkdocs.yml
index f225d2250c..13e863f07b 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -33,6 +33,7 @@ nav:
       - Main Extension: extensions/guides/main-extension.md
       - Renderer Extension: extensions/guides/renderer-extension.md
       - Generator: extensions/guides/generator.md
+      - Working with mobx: extensions/guides/working-with-mobx.md
     - Testing and Publishing:
       - Testing Extensions: extensions/testing-and-publishing/testing.md
       - Publishing Extensions: extensions/testing-and-publishing/publishing.md