| # How to contribute | |
| ### Sign our Contributor License Agreement (CLA) | |
| Even for small changes, we ask that you please sign the CLA electronically | |
| [here](https://developers.google.com/open-source/cla/individual). | |
| The CLA is necessary because you own the copyright to your changes, even | |
| after your contribution becomes part of our codebase, so we need your permission | |
| to use and distribute your code. You can find more details | |
| [here](https://code.google.com/p/dart/wiki/Contributing). |