#348713Explicitly state that field names are not affected by the seri…

…alization configuration on Layout Service (#284)

* #348713 Explicitly state that field names are not affected by the serialization configuration on Layout Service

* #348713 Update

docs/data/routes/docs/techniques/extending-layout-service/extending-layout-service-overview/en.md

@@ -117,6 +117,7 @@ The Layout Service JSON rendering process is highly configurable, and allows you
     </serialization>
 </config>
 ```
+> In terms of modifying serialization configuration, keep in mind that you can change the whole JSON beside field names. Field names can be changed in Sitecore, if you need to e.g.: have them camel-cased, you need do it in Sitecore. So basically serialization configuration is responsible for changing JSON on which user don't have influence.
 
 ### Using a custom Layout Service configuration with JSS