I devised a method that helps generate wall assembly lists with the wall layers and thicknesses copied to a shared parameter using a dynamo script I made. The script creates a line break using invisible characters so that the information is spaced in a clear way when displayed in a wall type schedule.

I also created a wall tag that looks identical to the wall type schedule so that folks can make a graphic wall schedule using a plan if they want to. The invisible character does not show up in the schedule, however, a "NO DS" symbol appears on the wall tag.

Is there a way to stop this from happening? Are there hidden characters that don't create a "NO DS" symbol?
FYI I am using DIN font if that matters. Also I would prefer to not share any of my files as all I've discussed above is proprietary to my company.