update readme

Author: jcalabro

README.md

@@ -2,7 +2,7 @@
 
 [![CI](https://github.com/jcalabro/stockfish/actions/workflows/zig-build.yml/badge.svg)](https://github.com/jcalabro/stockfish/actions/workflows/zig-build.yml)
 
-Zig build for [Stockfish 17](https://github.com/official-stockfish/Stockfish/tree/sf_17). Requires zig 0.14.0.
+Zig build for [Stockfish 17.1](https://github.com/official-stockfish/Stockfish/tree/sf_17.1). Requires zig 0.14.0.
 
 Usage