Update README.md

Updated documentation.

Author: adamfisher

README.md

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 This is a glue library that makes [Newtonsoft.JSON](https://github.com/JamesNK/Newtonsoft.Json) the default serializer for [RestSharp](https://github.com/restsharp/RestSharp). 
 
-RestSharp removed Newtonsoft.JSON as a dependency in [version 103.0](https://github.com/restsharp/RestSharp/blob/master/releasenotes.markdown#1030---remove-dependency-on-jsonnet) which is great if you don't need all the extra capability Newtonsoft.JSON provides, most notably property renaming/mapping properties using the `[JsonProperty]` attribute.
+RestSharp removed Newtonsoft.JSON as a dependency in [version 103.0](https://github.com/restsharp/RestSharp/blob/master/releasenotes.markdown#1030---remove-dependency-on-jsonnet) which is great if you don't need all the extra capability Newtonsoft.JSON provides.
 
 After working on several projects and getting annoyed with the limited functionality available in the default JsonSerializer include with .NET, I decided to create this project so I wouldn't have to leave a JSON serialization implementation laying around in my projects. Hopefully it helps someone else too.