Well that’a all a bit pedantic but, no, I had indeed “remembered” exactly what you wrote and further, oddly enough, do understand the difference in meaning between the two words – I’m sure your remarks were not intended to be as patronising as they appeared to be.:)
The conclusion drawn in your last paragraph illustrates how poor your retention span must be, unless of course you choose to categorise all non-fictional programmes in the same way, since they are all, by definition, formulaic.