diff --git a/json_schema/property_migrations.json b/json_schema/property_migrations.json
index e26a8add..fddbe65a 100644
--- a/json_schema/property_migrations.json
+++ b/json_schema/property_migrations.json
@@ -6,7 +6,6 @@
             "effective_from": "18.0.0",
             "reason": "Data access is now recorded as a mandatory field",
             "type": "new required property"
-
         },
         {
             "source_schema": "cell_line",
diff --git a/json_schema/versions.json b/json_schema/versions.json
index c4790523..48b3f73a 100644
--- a/json_schema/versions.json
+++ b/json_schema/versions.json
@@ -74,7 +74,7 @@
                 "contact": "9.0.0",
                 "funder": "2.0.0",
                 "hca_bionetwork": "1.0.1",
-                "publication": "7.0.0",
+                "publication": "7.0.0"
             },
             "protocol": {
                 "channel": "2.0.4",
@@ -138,4 +138,4 @@
             }
         }
     }
-}
\ No newline at end of file
+}