diff --git a/mkdocs.yml b/mkdocs.yml
index c1ab5fb..276067a 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -21,6 +21,7 @@ nav:
     - Servers:
       - installing-the-modpack/servers/index.md
       - Post-Install Tips and Tricks: installing-the-modpack/servers/post-install-tips-and-tricks.md
+  - Modifying Optional Content: modifying-optional-content.md
   - Common Issues: common-issues.md
 
 plugins: