Update json example

Author: crabbly

test/manual/index.html

@@ -108,7 +108,8 @@
           }
         ],
         type: 'json',
-        header: 'JSON Print Test'
+				header: 'JSON Print Test',
+				documentTitle: 'Print.js JSON Test'
       })
     }
 
@@ -129,7 +130,7 @@
         properties: ['test1', 'test2'],
         type: 'json',
         gridStyle: 'border: 2px solid #3971A5;',
-        gridHeaderStyle: 'color: red;  border: 2px solid #3971A5;'
+				gridHeaderStyle: 'color: red;  border: 2px solid #3971A5;',
       })
     }