When editing the Tags panel inside a category, this can be a bit confusing:
The way it’s worded, since “this category” is the last thing that’s mentioned, it almost feels like the “How To” is the name of the category, instead of the name of the tag group.
My suggestion is to dynamically include the name of the category, so in this case it would read:
Restrict these tag groups to the "Help & Tips" category:
The same applies to:
Restrict these tags to the "Help & Tips" category: