diff --git a/spec/namespaces/wlm.yaml b/spec/namespaces/wlm.yaml
index cece25d9f..9c6ac3bd0 100644
--- a/spec/namespaces/wlm.yaml
+++ b/spec/namespaces/wlm.yaml
@@ -9,7 +9,7 @@ paths:
       operationId: wlm.get_query_group.0
       x-operation-group: wlm.get_query_group
       x-version-added: '2.17'
-      description: Retrieves the specified Query Group.
+      description: Retrieves the specified query group. If no query group is specified, retrieves all query groups in the cluster.
       responses:
         '200':
           $ref: '#/components/responses/wlm.get_query_group@200'