Rollup merge of #105681 - tshepang:doc-mir-visit, r=Nilstrieb

some fixes/improvements to mir::visit module

Author: matthiaskrgr

compiler/rustc_middle/src/mir/visit.rs

@@ -3,15 +3,15 @@
 //! ## Overview
 //!
 //! There are two visitors, one for immutable and one for mutable references,
-//! but both are generated by the following macro. The code is written according
-//! to the following conventions:
+//! but both are generated by the `make_mir_visitor` macro.
+//! The code is written according to the following conventions:
 //!
 //! - introduce a `visit_foo` and a `super_foo` method for every MIR type
 //! - `visit_foo`, by default, calls `super_foo`
 //! - `super_foo`, by default, destructures the `foo` and calls `visit_foo`
 //!
-//! This allows you as a user to override `visit_foo` for types are
-//! interested in, and invoke (within that method) call
+//! This allows you to override `visit_foo` for types you are
+//! interested in, and invoke (within that method call)
 //! `self.super_foo` to get the default behavior. Just as in an OO
 //! language, you should never call `super` methods ordinarily except
 //! in that circumstance.