A few stylistic tune ups to make it better flowing

Author: yarikoptic

src/computing/kerberos.md

@@ -8,16 +8,18 @@
           GSSAPIAuthentication yes
           GSSAPIDelegateCredentials yes
 
-2. install kerberos client utilities.
+2. install kerberos client utilities:
 
-     - On Debian: `sudo apt-get install krb5-user`
-     - On MacOS with [Homebrew](https://brew.sh/): `brew install krb5`
+     - on Debian: `sudo apt-get install krb5-user`
+     - on MacOS with [Homebrew](https://brew.sh/): `brew install krb5`
 
 3. initialize your kerberos token
 
         kinit <NETID>@KIEWIT.DARTMOUTH.EDU
 
-where `<NETID>` is your Dartmouth NetID (like `d11191d`).  Use `klist` command to see if there is an active token.
+    where `<NETID>` is your Dartmouth NetID (like `d11191d`).
+
+Use `klist` command to see if there is an active token.
 As you will see from `klist` output, that token has expiration date, which is 10 hours from the moment you `kinit`ed it. 
 You could use `kinit -R` (or just ssh again) to refresh the ticket.
 It will be refreshed for up to 30 days.