diff --git a/README.md b/README.md
index 83f4571..904e0d7 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@ Within Python Virtual Environment:
 
 2. Run `python setup.py` to set your SMTP parameters and desired email subject. Also set your Mastodon's full path. They will be saved to `secrets/secrets.txt` for further use.
 
-3. Run `python mailing.py` to start emailing your inactive users (`last_sign_in_at` column older than a year). Their username, account_id, email, delivery status (True if successful) and delivery date will be written to Postgresql database. There is another column, `deleted`, False by default. Will be useful to track deleted/not deleted inactive users if you choose to do so.
+3. Run `python mailing.py` to start emailing your inactive users (`current_sign_in_at` column older than six months). Their username, account_id, email, delivery status (True if successful) and delivery date will be written to Postgresql database. There is another column, `deleted`, False by default. Will be useful to track deleted/not deleted inactive users if you choose to do so.
 
 4. Use your favourite scheduling method to set mailing.py to run regularly. Column 'elapsed_days' of mailing's database will be updated so you can decide actions after some time.