installation-instructions.md

@@ -90,7 +90,7 @@ where `DISTRIBUTION` can be any one of
 bullseye, buster, sid, bionic, disco, eoan
 ```
 
-You should then download the public key `612DEFB798507F25` to verify the packages, with the command:
+You should then download the public key [`612DEFB798507F25`](https://keys.openpgp.org/search?q=612DEFB798507F25) to verify the packages, with the command:
 ```
 apt-key adv --keyserver keys.openpgp.org --recv-key 612DEFB798507F25
 ```