fixup: rewrite error message

pulpcore/content/handler.py

@@ -1149,13 +1149,15 @@ async def finalize():
             await downloader.session.close()
             close_tcp_connection(request.transport._sock)
             raise RuntimeError(
-                f"DigestValidationError: Pulp tried streaming {remote_artifact.url!r} to "
-                "the client, but it failed checkusm validation.\n\n"
-                "We cant recover from wrong data already sent so we are:\n"
+                f"Pulp tried streaming {remote_artifact.url!r} to "
+                "the client, but it failed checksum validation.\n\n"
+                "We can't recover from wrong data already sent so we are:\n"
                 "- Forcing the connection to close.\n"
-                "- Marking this Remote Server to be ignored for the next 5 minutes.\n\n"
-                "If the Remote is permanently corrupted, we advice the admin to "
-                "manually prune affected RemoteArtifacts/Remotes from Pulp."
+                "- Marking this Remote Server to be ignored for 5 minutes.\n\n"
+                "If the Remote is known to be fixed, try resyncing the associated repository.\n"
+                "If the Remote is known to be permanently corrupted, try removing "
+                "affected Pulp Remote, adding a good one and resyncing.\n"
+                "If the problem persists, please contact the Pulp team."
             )
 
         if content_length := response.headers.get("Content-Length"):