You **must not** write plain-English into the code, rather into the `app/lang/en/` language files (where appropriate). We can then push out the changes to our translators.
The only place where it is advisable to write English text into the code (as opposed to the language file) is for the API.
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)