diff --git a/README.md b/README.md
index 12b16b8d..4c3965d4 100644
--- a/README.md
+++ b/README.md
@@ -133,6 +133,7 @@ You will also need Google API credentials. You can get this from the [Google API
 8. Click on the `User` model to add a new user record.
 9. Fill out the fields (remembering to encrypt your password with [BCrypt](https://bcrypt-generator.com/)) and click `Save 1 Record` to create your first user.
 10. Open a browser to [http://localhost:3000](http://localhost:3000) and login with your just created, first user.
+11. Set a 32 character random string in your .env file for the CALENDSO_ENCRYPTION_KEY.
 
 ### Upgrading from earlier versions