fix(misc): comments;

- Clearer comments.

ckanext/xloader/plugin.py

@@ -84,8 +84,7 @@ def receive_validation_report(self, validation_report):
                                                            {'id': validation_report.get('resource_id')})
             if (toolkit.asbool(toolkit.config.get('ckanext.xloader.validation.enforce_schema', True))
                 or res_dict.get('schema', None)) and validation_report.get('status') != 'success':
-                    # either validation.enforce_schema is turned on or it is off and there is a schema,
-                    # we then explicitly check for the `validation_status` report to be `success`
+                    # A schema is present, or required to be present
                     return
             # if validation is running in async mode, it is running from the redis workers.
             # thus we need to do sync=True to have Xloader put the job at the front of the queue.