diff --git a/tempest/lib/api_schema/response/compute/v2_19/servers.py b/tempest/lib/api_schema/response/compute/v2_19/servers.py
index 136e3e1..e3e8ad1 100644
--- a/tempest/lib/api_schema/response/compute/v2_19/servers.py
+++ b/tempest/lib/api_schema/response/compute/v2_19/servers.py
@@ -17,6 +17,9 @@
 from tempest.lib.api_schema.response.compute.v2_16 import servers \
     as serversv216
 
+# Compute microversion 2.19:
+# 1. New attributes in 'server' dict.
+#      'description'
 get_server = copy.deepcopy(serversv216.get_server)
 get_server['response_body']['properties']['server'][
     'properties'].update({'description': {'type': ['string', 'null']}})