Hello, 

To make adjustments to your tax return, you have some convenient options. Firstly, you can easily refile using TurboTax. Alternatively, you also have the option to fill out Form T1-ADJ, which can be completed electronically via CRA My Account online or with a paper copy by mail. 

You can learn more here: https://turbotax.intuit.ca/tips/change-filed-tax-return-703?srsltid=AfmBOoptxAoNRNSF1z5xBfxiIi_RcKeJ...