extends the list of changes to capture the addition of triple terms

spec/index.html

@@ -1789,8 +1789,12 @@ <h2>Changes between RDF 1.1 and RDF 1.2</h2>
   <ul>
     <li>Added <a href="#section-dataset-quad" class="sectionRef"></a>
       for informative definition of a <a>quad</a>.</li>
+    <!-- The following bullet point should be removed when Section 1.3 is changed
+         to introduce triple terms instead of quoted triples. -->
     <li>Added <a href="#section-quoted-triples" class="sectionRef"></a>
-      and definitions for <a>quoted triple</a> and <a>asserted triple</a>.</li>
+      <s>and definitions for <a>quoted triple</a> and <a>asserted triple</a></s>.</li>
+    <li>Added the notion of a <a>triple term</a> and extended the definition of
+      <a>RDF triple</a> to permit triple terms as objects.</li>
     <li>Added the <a>base direction</a> element as part of 
       a <a>literal</a>,
       and a description of its use in <a href="#section-text-direction" class="sectionRef"></a>.</li>