diff --git a/mkdocs.yml b/mkdocs.yml
index fbdef85..a243281 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -15,6 +15,7 @@ theme:
 
 nav:
   - Home: README.md
+  - Container Structure: container.md
   - Tool: tool.md
   - Input (Parameters and Data): input.md