diff --git a/tools/apidoc/gen_toc.py b/tools/apidoc/gen_toc.py
index 506169c2969..9e390252e0b 100644
--- a/tools/apidoc/gen_toc.py
+++ b/tools/apidoc/gen_toc.py
@@ -155,7 +155,8 @@ known_categories = {
     'releaseDedicatedHost': 'Dedicate Resources',
     'Baremetal' : 'Baremetal',
     'UCS' : 'UCS',
-    'Ucs' : 'UCS'
+    'Ucs' : 'UCS',
+    'CacheStores' : 'Cache Stores'
     }