diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 58d0c38..feed8c0 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -2,7 +2,7 @@
 
 ## Patches via Email
 
-You can create a patch with this command `git format-patch -M origin/main` and send it to this [email address](mailto:miraikumiko@disroot.org).
+You can create a patch with this command `git format-patch -M origin/main` and send it to this [email address](mailto:miraikumiko@disroot.org). Check out this [guide](https://git-send-email.io).
 
 ## Your repository