installation-instructions.md

@@ -87,7 +87,7 @@ deb http://downloads.skewed.de/apt DISTRIBUTION main
 where `DISTRIBUTION` can be any one of
 
 ```
-bullseye, buster, sid, bionic, eoan
+bullseye, buster, sid, bionic, disco, eoan
 ```
 
 You should then download the public key `612DEFB798507F25` to verify the packages, with the command: