ssh docs: corrections and readability improvements (#25482)

* Corrections and readability improvements

* Apply suggestions from code review

Co-authored-by: Shane Smiskol <shane@smiskol.com>
old-commit-hash: 6a3a9944c2

tools/ssh/README.md

@@ -7,11 +7,11 @@ In order to SSH into your device, you'll need a GitHub account with SSH keys. Se
 * Enable SSH in your device's settings
 * Enter your GitHub username in the device's settings
 * Connect to your device
-  * Username: `comma` (comma three)
+  * Username: `comma`
   * Port: `22` or `8022`
 
-Here's an example command for connecting to your device using its tethered connection:
+Here's an example command for connecting to your device using its tethered connection:<br />
-`ssh root@192.168.43.1`
+`ssh comma@192.168.43.1`
 
 For doing development work on device, it's recommended to use [SSH agent forwarding](https://docs.github.com/en/developers/overview/using-ssh-agent-forwarding).
 
@@ -34,7 +34,8 @@ Requires [comma SIM with comma prime](https://comma.ai/shop) activated with comm
 
 ## Recommended .ssh/config
 
-With the below ssh configuration, you can type `ssh comma-{dongleid}` to connect to your device through `ssh.comma.ai`. For example, `ssh comma-ffffffffffffffff`.
+With the below SSH configuration, you can type `ssh comma-{dongleid}` to connect to your device through `ssh.comma.ai`.<br />
+For example: `ssh comma-ffffffffffffffff`
 
 ```
 Host comma-*