It's dead simple, use the issue tracker. Be descriptive, remember this is a community and we're all helping each other, so be respectful towards each other.
If you are new to git, GitHub, and the whole open source software community, welcome! Here are some resources for getting started and understanding what it's all about.
- [Try Git](https://try.github.io/levels/1/challenges/1) by Code School
- [GitHub Help](https://help.github.com)
If you're not particularly fond of the command line, you can get one of GitHub's free GUI desktop apps:
- [GitHub for Mac](https://github.com/blog/1510-installing-git-from-github-for-mac)
- [GitHub for Windows](https://github.com/blog/1127-github-for-windows)
If you're feeling advantageous, you can become a Git & GitHub master with the [Git Path on Code School](https://www.codeschool.com/paths/git).
There is always the Cachet Gitter chat to ask any questions you may have: