fix update service

app/services/users/update_service.rb

@@ -17,7 +17,7 @@ module Users
       user_exists = @user.persisted?
 
       if @user.save(validate: validate)
-        audit_changes(:email, as: 'email address', column: :notification_email)
+        audit_changes(:email, as: 'email address')
         audit_changes(:encrypted_password, as: 'password', skip_changes: true)
 
         notify_new_user(@user, nil) unless user_exists

ee/app/services/ee/audit_event_service.rb

@@ -110,7 +110,7 @@ module EE
     def method_missing(method_sym, *arguments, &block)
       super(method_sym, *arguments, &block) unless respond_to?(method_sym)
 
-      for_custom_model(method_sym.to_s.slice('for_'), *arguments)
+      for_custom_model(method_sym.to_s.split('for_').last, *arguments)
     end
 
     def respond_to?(method, include_private = false)