Add revision entry for v3 and deprecate v2.

index.html

@@ -363,7 +363,7 @@ <h3>Classes</h3>
       <p>
 The following classes are available for specifying information related to
 residency, employment, and citizenship status.
-     </p>
+      </p>
 
       <table class="simple">
         <thead>
@@ -2476,8 +2476,21 @@ <h2>Internationalization Considerations</h2>
     <section class="informative">
       <h2>Revision History</h2>
 
+      <h3>v3</h3>
+
+      <ul>
+        <li>
+Remove `OpticalBarcodeCredential` and `TerseBitstringStatusListEntry` and
+related properties. They are moving to different vocabularies.
+        </li>
+      </ul>
+
       <h3>v2</h3>
 
+      <p>
+Note: `v2` is deprecated in favor of v3.
+      </p>
+
       <ul>
         <li>
 Remove `description` and `name` from all classes; now defined in