fix links

Author: makasim

Resources/docs/get-it-started.md

@@ -44,7 +44,7 @@ Here you have to modify a `gatewayName` value. Set it to `offline`. The rest rem
 
 * [Core's Get it started](https://github.com/Payum/Core/blob/master/Resources/docs/get-it-started.md).
 * [The architecture](https://github.com/Payum/Core/blob/master/Resources/docs/the-architecture.md).
-* [Supported payments](https://github.com/Payum/Core/blob/master/Resources/docs/supported-payments.md).
+* [Supported gateways](https://github.com/Payum/Core/blob/master/Resources/docs/supported-gateways.md).
 * [Storages](https://github.com/Payum/Core/blob/master/Resources/docs/storages.md).
 
 Back to [index](index.md).