Changing Prop's Caption

I wanted to change the caption of marchers, and apparently I had a prop selected with it, and the caption of the prop changed with the marchers

(And I can't change the prop back.)

:(

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My browser version is: (do not change)
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/532.5 (KHTML, like Gecko) Chrome/4.0.249.89 Safari/532.5

what did the props change to?

Depending on what I changed it to (Snare, cymbal, guard, horn)

I just tried. It didn't happen to me.

I have 111 marchers on the field right now.
As opposed to the 109 max

Well, if you add a Sixth Bass, it raises it to 109... But, I think this is just a glitch in the designer.