Add @pzinovkin for #995 thanks!

docs/topics/credits.md

@@ -147,6 +147,7 @@ The following people have helped make REST framework great.
 * Rudolf Olah - [omouse]
 * Gertjan Oude Lohuis - [gertjanol]
 * Matthias Jacob - [cyroxx]
+* Pavel Zinovkin - [pzinovkin]
 
 Many thanks to everyone who's contributed to the project.
 
@@ -330,3 +331,4 @@ You can also contact [@_tomchristie][twitter] directly on twitter.
 [omouse]: https://github.com/omouse
 [gertjanol]: https://github.com/gertjanol
 [cyroxx]: https://github.com/cyroxx
+[pzinovkin]: https://github.com/pzinovkin