diff --git a/README.md b/README.md
index 2f3b2f87..8ff6efcd 100644
--- a/README.md
+++ b/README.md
@@ -126,3 +126,13 @@ We generally try to include a wide range of flakes that could be of interest to
 * Programs that are already part of nixpkgs (we prefer you help maintain them there)
 * Outdated package or packaging
 * Flakes that require `allow-import-from-derivation`
+
+## Contributing patches
+
+* Patches are very welcome!
+* You can send a PRs without opening an issue first, but if you're planning significant work it might be good to discuss your ideas beforehand to avoid disappointment later.
+* Reviews by people without write access are welcome
+* Every PR requires at least one approval by someone (other than the author) with write access. They can either:
+ * approve and merge immediately
+ * approve and leave feedback. The author can merge after considering the feedback.
+ * add comments without approving