diff --git a/tools/gerrit-account-inconsistencies/remove-user-external-ids.py b/tools/gerrit-account-inconsistencies/remove-user-external-ids.py
index 3832644887..db806d8b1e 100644
--- a/tools/gerrit-account-inconsistencies/remove-user-external-ids.py
+++ b/tools/gerrit-account-inconsistencies/remove-user-external-ids.py
@@ -7,6 +7,9 @@
 # Note the account_ids and emails both may be non unique depending
 # on the gerrit account situation. We iterate over each line in this
 # file one at a time to avoid problems with deduping in datastructures.
+#
+# Consider running this with python3 -u to get unbuffered stdout. This
+# will help you better track progress.
 
 import getpass
 import json