Fixed documentation example. Bounced version number.
diff --git a/doc/jsoncpp.dox b/doc/jsoncpp.dox
index 34dda5e..fc7b530 100644
--- a/doc/jsoncpp.dox
+++ b/doc/jsoncpp.dox
@@ -22,7 +22,7 @@
         ],
         
     // Tab indent size
-    indent : { length : 3, use_space = true }
+    "indent" : { "length" : 3, "use_space" = true }
 }
 \endverbatim