no problem Rick.
Actually, you were correct in your assumption of there existing a difference between whipping cream and heavy cream because usually there is (whipping cream usually is only 30g of fat – slightly lighter and thus results in a lighter consistency). Just be sure to read the label and if it’s 36g or more, you are good to go.
Btw, be sure that you chill that cream in the fridge first and after souring it you may want to put back in fridge a little bit longer…also may require more than the 1 tbspn of lemon juice but just use trial and error and you will have it. good luck!