-[//]: # Copyright (C) The Arvados Authors. All rights reserved.
-[//]: #
-[//]: # SPDX-License-Identifier: CC-BY-SA-3.0
+[comment]: # (Copyright © The Arvados Authors. All rights reserved.)
+[comment]: # ()
+[comment]: # (SPDX-License-Identifier: CC-BY-SA-3.0)
[Arvados](https://arvados.org) is a free software distributed computing platform
for bioinformatics, data science, and high throughput analysis of massive data
## Community
-The [#arvados](irc://irc.oftc.net:6667/#arvados IRC) (Internet Relay Chat)
+The [#arvados](irc://irc.oftc.net:6667/#arvados) IRC (Internet Relay Chat)
channel at the
[Open and Free Technology Community (irc.oftc.net)](http://www.oftc.net/oftc/)
is available for live discussion and support. You can use a traditional IRC
development. The
[Arvados developer mailing list](http://lists.arvados.org/mailman/listinfo/arvados-dev)
is a forum for more technical discussion, intended for developers and
-contributers to Arvados.
+contributors to Arvados.
## Development
components can be found on the
["Hacking Arvados" page of the Arvados wiki](https://dev.arvados.org/projects/arvados/wiki/Hacking).
+## Contributing
+
+When making a pull request, please ensure *every git commit message* includes a one-line [Developer Certificate of Origin](https://dev.arvados.org/projects/arvados/wiki/Developer_Certificate_Of_Origin). If you have already made commits without it, fix them with `git commit --amend` or `git rebase`.
+
## Licensing
Arvados is Free Software. See COPYING for information about Arvados Free