Template talk:TranscriptH

Hi, I'm trying to use this code (along with the one for "TD") in my wiki but every time I try to use it it doesn't work. Like it works when I use:

But it doesn't work if I use, say:

But what's annoying is the two work separately but not together. Any idea why this is?--TheBlackDemon1996 (talk) 20:51, August 26, 2019 (UTC)