diff --git a/SearchAPI/CMR/Output/jsonlite.py b/SearchAPI/CMR/Output/jsonlite.py
index a7650e0b..6cab9f73 100644
--- a/SearchAPI/CMR/Output/jsonlite.py
+++ b/SearchAPI/CMR/Output/jsonlite.py
@@ -49,7 +49,7 @@ def req_fields_jsonlite():
         'jointobservation',
         'mainbandpolarization',
         'sidebandpolarization',
-        'rangebandwidth'
+        'rangebandwidth',
     ]
     return fields