message: Better link target for "WASI"
diff: ## Introduction
  -[Wasmer](https://wasmer.io/) is a standalone JIT WebAssembly runtime, aiming to be fully compatible with [WASI](https://hacks.mozilla.org/2019/03/standardizing-wasi-a-webassembly-system-interface/) and [Emscripten](https://emscripten.org/).
  +[Wasmer](https://wasmer.io/) is a standalone JIT WebAssembly runtime, aiming to be fully compatible with [WASI](https://github.com/WebAssembly/WASI) and [Emscripten](https://emscripten.org/).
  Install Wasmer with:
  