Fix link to Feature Matrix contributions

Author: murchandamus

en/matrix.md

@@ -384,7 +384,7 @@ th, td {
 
 <br/>
 _Contributions and corrections are welcome. Please see the [contibuting
-guidelines](https://github.com/bitcoinops/bitcoinops.github.io/blob/master/CONTRIBUTING.md#compatibility-matrix-data)
+guidelines](https://github.com/bitcoinops/bitcoinops.github.io/blob/master/CONTRIBUTING.md#bitcoin-feature-matrix-data)
 for details._
 {: style="text-align: center;"}