The Terminal app in macOS keeps track of recent commands you've used so you can reuse them at a later time. Here's how to clear Terminal's command history.

Essential macOS Terminal Commands Executing commands on any operating system requires a terminal. macOS already comes equipped with one, and you can find it under Applications > Utilities ...

So to fix that, you’d enter this command: ^ppp^pp When you press Return, Terminal will re-execute the prior command, making the correction you indicated.