Change wifi passwords for macbook pro

Hey,
I have a question about the wifi passwords. I filled wrong passwords for wifi network. How can I make a change?
Best,
Kai

click on your wifi icon - top right - open network prefernces - advance - wifi - look under preferred networks - highlight the network name you want to edit and hit the minus sign.
after you've done that, hit the plus sign search the network you want then fill in the password.
good luck

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