Currently the receipt includes the "Contribution amount", but the CRA (Canadian Revenue Agency) requires the "Eligible amount" to be indicated on tax receipts.
Reference: https://www.canada.ca/en/revenue-agency/services/charities-giving/charities/operating-a-registered-charity/issuing-receipts/what-information-must-on-official-donation-receipt-a-registered-charity.html
You won't be notified about changes to this idea.