Cluster/Computing-clusters.md

@@ -11,7 +11,7 @@ See also
 Note: as of 2025, puck seems not to be available anymore.
 * [Official instructions to use local clusters](http://users.jyu.fi/%7Eveapaja/FGCI-instructions.JYU.txt)
 * Connect: 
-  * First, open an ssh connection to the Cluster Front End (cfe): `ssh cfe.it.jyu.fi` You need to be within the JYU network, or use a VPN
+  * First, open an ssh connection to the Cluster Front End (cfe): `ssh username@cfe.it.jyu.fi` (if your username on your local computer is the same as the JYU username, then no need to specify it for `ssh`). You need to be within the JYU network, or use a VPN
   * Then, connect to oberon: `ssh oberon`
   * Oct 30 update: puck is down, but it should probably? work by doing `ssh puck`
 * If you need access, contact [Vesa Apaja](https://www.jyu.fi/fi/henkilot/vesa-apaja). Tell that you are a physics PhD student/postdoc, and mention the name of your supervisor and your JYU username.