diff --git a/app/models/activity.rb b/app/models/activity.rb
index 46f2839cc..eed450b42 100644
--- a/app/models/activity.rb
+++ b/app/models/activity.rb
@@ -120,14 +120,14 @@ def after_audit
       rights_list: { type: :object, properties: {
         rights: { type: :keyword },
         rightsUri: { type: :keyword },
-        lang: { type: :keyword }
+        lang: { type: :keyword },
       }},
       subjects: { type: :object, properties: {
         subject: { type: :keyword },
         subjectScheme: { type: :keyword },
         schemeUri: { type: :keyword },
         valueUri: { type: :keyword },
-        lang: { type: :keyword }
+        lang: { type: :keyword },
       }},
       container: { type: :object, properties: {
         type: { type: :keyword },
@@ -137,7 +137,7 @@ def after_audit
         volume: { type: :keyword },
         issue: { type: :keyword },
         firstPage: { type: :keyword },
-        lastPage: { type: :keyword }
+        lastPage: { type: :keyword },
       }},
       content_url: { type: :keyword },
       version_info: { type: :keyword },