On the physics tags page, the tags mathematical-physics
and mathematics
are described as "Just because your question involves math!..." whereas on the actual pages for the tags,
the descriptions of both begin, "DO NOT USE THIS TAG just because your question involves math!"
I would have to assume that this is an issue with the rendering of the aforementioned capitalized warning. Is there something we can do about this? For reference...
Here are the search results for the tags on the physics tags page linked above:
And here are the actual descriptions of the tags on their respective pages: