## The `rustc` Contribution Guide
-[The `rustc` Guide](https://rust-lang.github.io/rustc-guide/) documents how
+[The `rustc` Guide](https://rustc-dev-guide.rust-lang.org/) documents how
the compiler works and how to contribute to it. This is useful if you want to build
or modify the Rust compiler from source (e.g. to target something non-standard).