diff --git a/setup/apidoc/gen_toc.py b/setup/apidoc/gen_toc.py
index 1c2f48c4c09..3775f9fbaf8 100644
--- a/setup/apidoc/gen_toc.py
+++ b/setup/apidoc/gen_toc.py
@@ -115,6 +115,7 @@ known_categories = {
     'Project': 'Project',
     'Lun': 'Storage',
     'Pool': 'Pool',
+    'Tags': 'Resource tags',
     }