Added @robhudson for work on #1211. Thanks!

docs/topics/credits.md

@@ -177,6 +177,7 @@ The following people have helped make REST framework great.
 * Jacek Bzdak - [jbzdak]
 * Alexander Lukanin - [alexanderlukanin13]
 * Yamila Moreno - [yamila-moreno]
+* Rob Hudson - [robhudson]
 
 Many thanks to everyone who's contributed to the project.
 
@@ -390,3 +391,4 @@ You can also contact [@_tomchristie][twitter] directly on twitter.
 [jbzdak]: https://github.com/jbzdak
 [alexanderlukanin13]: https://github.com/alexanderlukanin13
 [yamila-moreno]: https://github.com/yamila-moreno
+[robhudson]: https://github.com/robhudson