Fix link

Author: JohnTitor

src/miri.md

@@ -97,7 +97,7 @@ Miri, but just use the cached result.
 [`Immediate`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_mir/interpret/enum.Immediate.html
 [`ConstValue`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc/mir/interpret/enum.ConstValue.html
 [`Scalar`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc/mir/interpret/enum.Scalar.html
-[`op_to_const`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_mir/const_eval/fn.op_to_const.html
+[`op_to_const`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_mir/const_eval/eval_queries/fn.op_to_const.html
 
 ## Datastructures