diff --git a/docs/solo/contributing.md b/docs/solo/contributing.md
index 1728356..3c82137 100644
--- a/docs/solo/contributing.md
+++ b/docs/solo/contributing.md
@@ -2,14 +2,14 @@ We are very open to contributions!
 
 [Currently](https://github.com/solokeys/solo/issues), most work will go towards
 
-* implementing STM32L432
+* ~~implementing STM32L432~~
 * implementing NFC
 * adding documentation and improving accessability of the code
 
 In the future, we would love to see creative plugins/extensions, putting the TRNG and other features of the STM32L432 to good use! 
 
-Feel free to send a [pull request](https://github.com/solokeys/solo/pulls) at any time, we don't currently have a formal contribution process.
+Feel free to send a [pull request](https://github.com/solokeys/solo/pulls) at any time, please note that we do require a lightweight copyright license agreement in order to accept contributions. Reason and procedure: <https://solokeys.com/legal/contributors/>.
 
 If you want to discuss your plans in quasi-realtime beforehand, you can also join our [solokeys.public](https://keybase.io/team/solokeys.public) Keybase team.
 
-But first: [join our mailing list!](https://solokeys.us19.list-manage.com/subscribe/post?u=cc0c298fb99cd136bdec8294b&id=b9cb3de62d)
+But first: [join our mailing list!](https://solokeys.us19.list-manage.com/subscribe/post?u=cc0c298fb99cd136bdec8294b&id=6550fc947a)