Fixed the emphasis in the release announcement

docs/announcements-4.0.html

@@ -374,8 +374,8 @@ function (ArrayData, Utils) {
     <p>
       The new <code>current</code> method of the data adapter works in a similar
       way to the old <code>initSelection</code> method, with three notable
-      differences. The first, and most important, is that <code>it is called
-      whenever the current selections are needed</code> to ensure that Select2
+      differences. The first, and most important, is that <strong>it is called
+      whenever the current selections are needed</strong> to ensure that Select2
       is always displaying the most accurate and up to date data. No matter
       what type of element Select2 is attached to, whether it supports a
       single or multiple selections, the data passed to the callback