X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/201d0473e44d444fc93223a973688233ac289353..03a9e4186c0d3b9267b1a83bb65699a6730f653f:/CONTRIBUTING.md

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
new file mode 100644
index 0000000000..56025afe57
--- /dev/null
+++ b/CONTRIBUTING.md
@@ -0,0 +1,3 @@
+# 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`.