Fix examples.

Author: gkellogg

index.html

@@ -4817,7 +4817,7 @@ <h3>Using the Document Base for the Default Vocabulary</h3>
 
   ex1:barney ex2:mnemonic "the sidekick" .
 
-  ex1:fred ex2:knows, ex1:barney .
+  ex1:fred ex2:knows ex1:barney, ex1:barney .
   -->
   </pre>
 </aside>
@@ -5002,6 +5002,8 @@ <h3>Using the Document Base for the Default Vocabulary</h3>
   {
     "@context": {
       ####...####
+      ****"@version": 1.1,****
+      "@vocab": "http://example.com/",
       "@language": "ja",
       "details": {
         ****"@context": {