Fix exception message

lifemonitor/api/models/rocrate.py

@@ -116,7 +116,7 @@ def load_metadata(self) -> dict:
     def download(self, target_path: str) -> str:
         # report if the workflow is not longer available on the origin server
         if self._metadata and not check_resource_exists(self.uri):
-            raise lm_exceptions.DownloadException(detail=f"Workflow not found on the origin: {self.uri}", status=410)
+            raise lm_exceptions.DownloadException(detail=f"Not found: {self.uri}", status=410)
 
         errors = []
         # try either with authorization header and without authorization