diff --git a/mkdocs.yml b/mkdocs.yml
index 65a515da..e4368cb2 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -24,4 +24,5 @@ nav:
   - Privacy and Security: privacy-and-security.md
   - Formats: formats.md
   - Advanced Usage: advanced.md
+  - Custom Importers & Exporters: extending-jrnl.md
   - Recipes: recipes.md