Update docs/build.md

Author: max-krasnyansky

docs/build.md

@@ -61,7 +61,7 @@ cmake --build build --config Release
       -set path:set LIB=C:\Program Files (x86)\Windows Kits\10\Lib\10.0.22621.0\um\x64;C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.41.34120\lib\x64\uwp;C:\Program Files (x86)\Windows Kits\10\Lib\10.0.22621.0\ucrt\x64
       ```bash
       cmake --preset x64-windows-llvm-release
-      cmake --build build-x64-windows-ninja-release
+      cmake --build build-x64-windows-llvm-release
       ```
 
 ## BLAS Build