Here’s how to do that in TurboTax Online:
Click on Done with T4A to save your information.
I don't have a find/magnifying glass on the top right of my screen? I have the downloaded version.
If you are using TurboTax CD/Download in forms mode, click on “Forms” in the blue income bar, then select T4A from the list and click Ok. On the T4A entry page, click the blue box next to “Enter here CERB boxes 197 to 205”. On the pop-up that appears, Box 205 will be on the bottom.