Most of mine tend to follow this format:
filename: brief description
More in-depth description and rationale if needed
It’s not often where I will modify multiple files within a single commit, but if I do, I will typically use a section or subsystem name rather than a single filename.
LE. Got it in my cart right away but ran into issues and got to finish the order about 45 minutes later. Shipped and scheduled to be delivered tomorrow!