Yes, that's correct, thanks for finding it fast! I have obviously constucted the youtu.be link incorrectly: there should have been "?" instead of "&" in the lin

Yes, that's correct, thanks for finding it fast! I have obviously constucted the youtu.be link incorrectly: there should have been "?" instead of "&" in the link. The correct short form should be https://youtu.be/_J4QPz52Sfo?t=4511 https://youtu.be/_J4QPz52Sfo?t=4511