Your entries are entered correctly, what you are seeing is the BC Children's Fitness Equipment Amount which is an automatic calculation made equivalent to 50% of the Fitness Amount you have entered.
The Children's Arts and Fitness Amounts are still available in British Columbia, Manitoba, Québec and Yukon for 2017.
- BC residents can claim a maximum of $500 for the Children's Fitness Amount plus 50% of that claim amount as the Children’s Fitness Equipment amount.
- BC Residents can claim a maximum of $500 for the Children's Arts Amount.
TurboTax will cap the amounts for you, and calculate the 50% for the Equipment amount, (as shown in the screenshot).
More information from CRA can be found here:
https://www.canada.ca/en/revenue-agency/services/forms-publications/tax-packages-years/general-incom...
