diff --git a/_toc.yml b/_toc.yml
index 9feb58e3..b3cb7c5f 100644
--- a/_toc.yml
+++ b/_toc.yml
@@ -19,6 +19,7 @@ parts:
           - file: user-guide/putty
 
   - caption: Admin Guide
+    maxdepth: 2
     chapters:
     - file: admin-guide/index
       sections: