See the [CONTRIBUTING](CONTRIBUTING.md) guide. Specifically:

Start ITK commit messages with a standard prefix (and a space):

 * BUG: fix for runtime crash or incorrect result
 * COMP: compiler error or warning fix
 * DOC: documentation change
 * ENH: new functionality
 * PERF: performance improvement
 * STYLE: no logic impact (indentation, comments)
 * WIP: Work In Progress not ready for merge

Provide a short, meaningful message that describes the change you made.

When the PR is based on a single commit, the commit message is usually left as the PR message.

A [reference to a related issue or pull request](https://help.github.com/articles/basic-writing-and-formatting-syntax/#referencing-issues-and-pull-requests) in your repository. You can automatically [close a related issues using keywords](https://help.github.com/articles/closing-issues-using-keywords/)

[@mentions](https://help.github.com/articles/basic-writing-and-formatting-syntax/#mentioning-people-and-teams) of the person or team responsible for reviewing proposed changes.

Thanks for contributing to ITK!