Every time I make a small update to an app I've already deployed, I find myself going back to the Heroku documentation. Here's a quick guide on how to update an app that you've already deployed.

1. Clone the repository from GitHub to your local device:

git clone <YOUR HTTPS URL FROM GITHUB>

2. Make your changes, and commit them to GitHub:

git add .
git commit -m "<YOUR COMMIT MESSAGE>"
git push origin <YOUR BRANCH NAME>

3. Login to your Heroku account:

heroku login

Follow the directions on the screen to login to your account through the browser, then return to the terminal.

4. Set remote for your project:

heroku git:remote -a <YOUR PROJECT NAME>

5. Push to Heroku master to deploy updates:

git push heroku master

And that's it! 5 simple steps. Hopefully this might save you from digging through the documentation each time!