diff --git a/README.md b/README.md
index b8cd421c0..79a376436 100644
--- a/README.md
+++ b/README.md
@@ -30,7 +30,7 @@ Our other repositories are:
 ### Common dev work
 
 - [Local setup](#local-setup)
-- [Testing](./docs/testing.md)
+- [Testing](./docs/testing.md), both automated and manual
 - [Deploying](./docs/deploying.md)
 - [Running one-off tasks](./docs/one-off-tasks.md)
 
diff --git a/app/commands.py b/app/commands.py
index ff95887e6..0f4e94ed3 100644
--- a/app/commands.py
+++ b/app/commands.py
@@ -340,33 +340,6 @@ def update_jobs_archived_flag(start_date, end_date):
     current_app.logger.info('Total archived jobs = {}'.format(total_updated))
 
 
-# @notify_command(name='update-emails-to-remove-gsi')
-# @click.option('-s', '--service_id', required=True, help="service id. Update all user.email_address to remove .gsi")
-# @statsd(namespace="tasks")
-# def update_emails_to_remove_gsi(service_id):
-#     users_to_update = """SELECT u.id user_id, u.name, email_address, s.id, s.name
-#                            FROM users u
-#                            JOIN user_to_service us on (u.id = us.user_id)
-#                            JOIN services s on (s.id = us.service_id)
-#                           WHERE s.id = :service_id
-#                             AND u.email_address ilike ('%.gsi.gov.uk%')
-#     """
-#     results = db.session.execute(users_to_update, {'service_id': service_id})
-#     print("Updating {} users.".format(results.rowcount))
-
-#     for user in results:
-#         print('User with id {} updated'.format(user.user_id))
-
-#         update_stmt = """
-#         UPDATE users
-#            SET email_address = replace(replace(email_address, '.gsi.gov.uk', '.gov.uk'), '.GSI.GOV.UK', '.GOV.UK'),
-#                updated_at = now()
-#          WHERE id = :user_id
-#         """
-#         db.session.execute(update_stmt, {'user_id': str(user.user_id)})
-#         db.session.commit()
-
-
 @notify_command(name='replay-daily-sorted-count-files')
 @click.option('-f', '--file_extension', required=False, help="File extension to search for, defaults to rs.txt")
 @statsd(namespace="tasks")
diff --git a/docs/one-off-tasks.md b/docs/one-off-tasks.md
index a337eaf01..d107ea849 100644
--- a/docs/one-off-tasks.md
+++ b/docs/one-off-tasks.md
@@ -2,14 +2,18 @@
 
 For these, we're using Flask commands, which live in [`/app/commands.py`](../app/commands.py).
 
-This includes things that might be one-time operations! Using a command allows the operation to be tested, 
-both with `pytest` and with trial runs.
+This includes things that might be one-time operations! If we're running it on production, it should be a Flask 
+command Using a command allows the operation to be tested, both with `pytest` and with trial runs in staging.
+
+To see information about available commands, you can get a list with:
+
+`pipenv run flask command`
+
+Appending `--help` to any command will give you more information about parameters.
 
 To run a command on cloud.gov, use this format:
 
-```
-cf run-task CLOUD-GOV-APP --commmand "YOUR COMMAND HERE" --name YOUR-COMMAND
-```
+`cf run-task CLOUD-GOV-APP --commmand "YOUR COMMAND HERE" --name YOUR-COMMAND`
 
 [Here's more documentation](https://docs.cloudfoundry.org/devguide/using-tasks.html) about Cloud Foundry tasks.
 
diff --git a/docs/testing.md b/docs/testing.md
index 90c5bdb2d..ad6c7e62e 100644
--- a/docs/testing.md
+++ b/docs/testing.md
@@ -23,6 +23,14 @@ We're using GitHub Actions. See [/.github](../.github/) for the configuration.
 
 In addition to commit-triggered scans, the `daily_checks.yml` workflow runs the relevant dependency audits, static scan, and/or dynamic scans at 10am UTC each day. Developers will be notified of failures in daily scans by GitHub notifications.
 
+## Manual testing
+
+If you're checking out the system locally, you may want to create a user quickly.
+
+`pipenv run flask command create-test-user`
+
+This will run an interactive prompt to create a user, and then mark that user as active. *Use a real mobile number* if you want to log in, as the SMS auth code will be sent here.
+
 ## To run a local OWASP scan
 
 1. Run `make run-flask` from within the dev container.