Update docs/payment-gateways/braintree.rst
Update docs/payment-gateways/braintree.rst

Co-Authored-By: NyanKiyoshi <aaf4c61ddcc5e8a2dabede0f3b482cd9aea9434d@vanille.bid>
mociepka/saleor,UITools/saleor,maferelo/saleor,mociepka/saleor,UITools/saleor,maferelo/saleor,UITools/saleor,mociepka/saleor,UITools/saleor,UITools/saleor,maferelo/saleor