Additional lease info

Author: nickevansuk

EditorsDraft/edit.html

@@ -509,6 +509,9 @@
   }
 </pre>
 
+The `leaseExpires` MAY be used to inform the `Customer` of the time they have remaining.
+
+
 
 ## Step-by-step process description
 

EditorsDraft/index.html

@@ -923,7 +923,7 @@ <h2>
   <span class="hljs-string">"type"</span>: <span class="hljs-string">"Lease"</span>,
   <span class="hljs-string">"leaseExpires"</span>: <span class="hljs-string">"2018-10-01T11:00:00Z"</span>
 }</pre>
-        </div></section></section><section id="step-by-step-process-description"><h3 id="x5-3-step-by-step-process-description"><span class="secno">5.3 </span>Step-by-step process description<a class="self-link" aria-label="§" href="#step-by-step-process-description"></a></h3><figure id="fig-sequence-diagram-showing-api-interactions"><img src="sequencediagram.png" alt="Sequence diagram" height="720" width="766">
+        </div><p>The <code>leaseExpires</code> <em class="rfc2119" title="MAY">MAY</em> be used to inform the <code>Customer</code> of the time they have remaining.</p></section></section><section id="step-by-step-process-description"><h3 id="x5-3-step-by-step-process-description"><span class="secno">5.3 </span>Step-by-step process description<a class="self-link" aria-label="§" href="#step-by-step-process-description"></a></h3><figure id="fig-sequence-diagram-showing-api-interactions"><img src="sequencediagram.png" alt="Sequence diagram" height="720" width="766">
 <figcaption>Figure <span class="figno">4</span> <span class="fig-title">Sequence diagram showing API interactions</span></figcaption>
 </figure><p>i) "<strong>1. Select</strong>" - User browses broker site anonymously and adds something to basket</p><ul>
 <li><a href="#dfn-broker" class="internalDFN" data-link-type="dfn">Broker</a> <em class="rfc2119" title="MUST">MUST</em> have determined at least one an Open Booking <a href="#dfn-bookable" class="internalDFN" data-link-type="dfn">bookable</a> opportunity each with an associated <a href="#dfn-applicable-offers" class="internalDFN" data-link-type="dfn">Applicable <code>offer</code></a> from the user's browsing, using the most up-to-date opportunity data.</li>