diff --git a/bucklets/yang.bucklet b/bucklets/yang.bucklet
index 31ce169..490c62a 100644
--- a/bucklets/yang.bucklet
+++ b/bucklets/yang.bucklet
@@ -69,7 +69,7 @@
     onos_app (
       app_name = app_name,
       title = title,
-      category = 'Model',
+      category = 'Models',
       url = url,
       description = description,
       required_apps = [ 'org.onosproject.yang' ],