Update ServerRendering.md

Author: knowbody

docs/guides/advanced/ServerRendering.md

@@ -8,7 +8,7 @@ Server rendering is a bit different than in a client because you'll want to:
 
 To facilitate these needs, you drop one level lower than the [`<Router>`](/docs/API.md#Router) API with:  
 
-- `match` to match the routes to a location without rendering
+- [`match`](https://github.com/rackt/react-router/blob/master/docs/API.md#matchlocation-cb) to match the routes to a location without rendering
 - `RoutingContext` for synchronous rendering of route components
 
 It looks something like this with an imaginary JavaScript server: