Update index.html

Co-Authored-By: Dave Longley <[email protected]>

Author: 2 people

index.html

@@ -8304,7 +8304,7 @@ <h3>Using the Document Base for the Default Vocabulary</h3>
   <p>
     The problem with this approach is that we lose the ability to use a common context.
     To overcome this problem, <a>included blocks</a> may be used to collect such secondary <a>node objects</a>. 
-    Semantically, this is the same as if the node objects were embedded, or were contained in some enclosing <a>array</a>:
+    Semantically, this is the same as if the node objects were embedded or were contained in some enclosing <a>array</a>:
   </p>
 
   <aside class="example ds-selector-tabs changed"