default ssh key name

use by default ssh naming to avoid having to do extra steps

02-gitlab-clone/README.md

@@ -41,13 +41,13 @@ Using SSH to interact with the repository required you to copy an SSH key file t
 
 The command to generate a key looks like:
 ```
-ssh-keygen -t ed25519 -f ~/.ssh/ed25519_gitlab
+ssh-keygen -t ed25519
 ```
 And creates two files: a file with a secret key and a file with a public key. 
 
 To display the contents of the file with the public key, use:
 ```
-cat ~/.ssh/ed25519_gitlab.pub
+cat ~/.ssh/id_ed25519.pub
 ```
 
 An example of how to generate a key pair and view the public key is given in the following screencast: