diff --git a/_toc.yml b/_toc.yml
index a3eefe37..dc4963ae 100644
--- a/_toc.yml
+++ b/_toc.yml
@@ -21,7 +21,7 @@ chapters:
   - file: admin-guide/index
     sections:
       - file: admin-guide/architecture
-        section:
+        sections:
           - file: admin-guide/architecture/overview
           - file: admin-guide/architecture/accounts-and-groups
           - file: admin-guide/architecture/authentication-authorization
@@ -66,6 +66,11 @@ chapters:
           - file: admin-guide/software/updates
       - file: admin-guide/mgmt-tools
       - file: admin-guide/operations
+        sections:
+          - file: admin-guide/operations/certificates
+          - file: admin-guide/operations/deployment
+          - file: admin-guide/operations/ip-address-change
+          - file: admin-guide/operations/version-control
       - file: admin-guide/third-party
       - file: admin-guide/troubleshooting
         sections: