There are some typographical errors in your transcriptions.
As per who?
I found an “and” that should have been an “an”. I corrected it in my text file.
If you like I will sent you the link for the video. I will correct any errors that you find.
I think I remember that I transcribed it myself from the video of the event. There were a couple of places that his speech was hard to get precisely, with my poor ears.
Guess I am tired, even my responses have typo's. Or it may be that I try to respond too fast without enough proofing. An admitted fault.
That one sounds awkward and not as per Heston, but that is as close as I can come from the audio