You have to wait until you get a Notice of Assessment from CRA and you can Refile with correct information after. If you have used TurboTax Online version, you will a 'Refile button' in front of the Tax return. If you used the download version you can click on ' Change a filed return'
NOTE: For other ways to change/edit your filed return, please see our TurboTax article: How to Change Your Tax Return After You’ve File
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