diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index bd788f1b5..74d8a5f0c 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -54,6 +54,11 @@ Let us know and we'll figure out a way to help you get involved successfully.
   the build system automatically turns on quite a few of them.
   If you can't figure out a warning, mention it in the request so we can figure it out together.
 
+- We use [Proclamation](https://gitlab.com/ryanpavlik/proclamation) to generate release notes.
+  After creating a merge request for a substantial change, please create one or more changelog
+  fragments on the branch describing the changes.  See
+  [doc/changes/README.md](doc/changes/README.md) for more info.
+
 ### Issues
 
 Constructive issues are a valued form of contribution.