Add info about adding a changelog entry for merge requests

CONTRIBUTING.rst:
Add info about adding a changelog entry for merge requests, explaining where in the file it needs to be added.

1 files changed, 8 insertions, 0 deletions

diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
index bffc49d..3c80f6e 100644
--- a/CONTRIBUTING.rst
+++ b/CONTRIBUTING.rst
@@ -19,6 +19,14 @@ All ash and bash scripts are linted using shellcheck:
 
     make lint
 
+Changelog
+=========
+
+When adding, changing or removing something in a merge request, add a sentence to the `CHANGELOG.rst <CHANGELOG.rst>`_
+explaining it.
+The changelog entry needs to be added to the unreleased section at the top, as that section is used for the next
+release.
+
 Testing
 =======