diff --git a/README.md b/README.md
index 7da9539..4804d6f 100644
--- a/README.md
+++ b/README.md
@@ -12,15 +12,13 @@ Here's a quick guide to the repositories where things live:
 
 [wasi-sdk](https://github.com/CraneStation/wasi-sdk) - “WASI SDK” packages for C/C++. If you want to try out compiling C/C++, this is a good place to start. "It's just clang."
 
-WASI-enabled Rust - Rust 1.35 now has built-in WASI support. To get started using Rust for targeting WASI:
+WASI-enabled Rust - Rust 1.36 (currently in beta) has built-in WASI support. To get started using Rust for targeting WASI:
 
 ```
-rustup target add wasm32-unknown-wasi
-cargo build --target wasm32-unknown-wasi
+rustup target add wasm32-wasi --toolchain beta
+cargo +beta build --target wasm32-wasi
 ```
 
-(Note: For Rust 1.36 and later, use `wasm32-wasi` instead of `wasm32-unknown-wasi`.)
-
 [wasi-libc](https://github.com/CraneStation/wasi-libc/) - WASI libc sources.
 
 [wasmtime](https://github.com/CraneStation/wasmtime/) - Wasmtime WebAssembly runtime, with WASI support, as well as the WASI documentation.