diff --git a/handbook/comms/phone.html b/handbook/comms/phone.html
index 765fd79f0..2793caabd 100644
--- a/handbook/comms/phone.html
+++ b/handbook/comms/phone.html
@@ -94,13 +94,15 @@ than starting from scratch. Also if we fail to renew we have to get a new phone
 <p>"Renewal" is just a matter of buying another &euro;10 or &euro;20 credit.</p>
 <p>We also need to renew the SIM card used in the cavelink GSM system (new in 2019).
 
-<h3>Checking credit</h3>
+<h3>Checking Credit</h3>
+
+<h4>Checking Credit by Phone</h4>
 <p>The simplest way (which doesn't require understanding a number read out to
 you in German) is to dial <b>*101#</b> ("0 BALANCE" in the contacts list in the phone book).  This doesn't actually make a
 call but results in you getting an SMS-like message containing the balance
 details.  There's no charge for this.</p>
 
-<h3>Checking Credit Online</h3>
+<h4>Checking Credit Online</h4>
 <p>Go to this <a href="https://www.a1.net/mein-a1">webpage</a>, click on <b>Mobil-Nummer</b>
  and then enter the phone number you want to check. A1 will then send a 6 digit code by SMS.</p>