My use of the_category works fine, but I want to change the tooltip, which says "View all posts in (category name)".
How can I change this tooltip?
I guess this might be something similar to this.
You want to change the tooltip... but to what? Sorry my crystal ball isn't quite working today.
Here are some options you have:
Then of course use the fn to output your (modified) categories.
I used this solution instead, within my single.php file: