Move liked-property to a MAY

index.html

@@ -865,6 +865,11 @@
             A link to an [[!ActivityStreams]] collection of the actors that
             follow this actor; see <a href="#followers"></a>.
           </dd>
+        </dl>
+        <p>
+          Implementations MAY provide the following properties:
+        </p>
+        <dl>
           <dt id="liked-property">liked</dt>
           <dd>
             A link to an [[!ActivityStreams]] collection of objects this
@@ -2654,6 +2659,12 @@ Location: https://dustycloud.org/likes/345
     <section class="appendix informative">
       <h2>Change Log</h2>
 
+      <section id="changes-31-october-14-november">
+        <h3>Changes from 31 October 2017 to this version</h3>
+        <ul>
+        </ul>
+      </section>
+
       <section id="changes-07-september-31-october">
         <h3>Changes from 7 September 2017 to this version</h3>
         <ul>