diff --git a/README.md b/README.md
index 6989104..6411f46 100644
--- a/README.md
+++ b/README.md
@@ -34,6 +34,6 @@ For a general introduction, see the [website](https://kiln.adnano.co).
 
 For end-user discussion and questions, start a thread on [~adnano/kiln-discuss](https://lists.sr.ht/~adnano/kiln-discuss).
 
-Send patches to [~adnano/kiln-devel](https://lists.sr.ht/~adnano/kiln-devel).
+Send patches to [~adnano/kiln-devel](https://lists.sr.ht/~adnano/kiln-devel) with prefix `PATCH kiln`.
 
 Subscribe to release announcements on [~adnano/kiln-announce](https://lists.sr.ht/~adnano/kiln-announce).