Correct info on using JSON adapter

I think this needs to be changed (based on info above).

Author: lvela

docs/howto/add_pagination_links.md

@@ -72,7 +72,7 @@ ActiveModelSerializers pagination relies on a paginated collection with the meth
 
 ### JSON adapter
 
-If you are using `JSON` adapter, pagination links will not be included automatically, but it is possible to do so using `meta` key.
+If you are not using `JSON` adapter, pagination links will not be included automatically, but it is possible to do so using `meta` key.
 
 Add this method to your base API controller.