Rollup merge of #91774 - surechen:fix_typo_1, r=wesleywiser

Fix typo for MutVisitor

Fix typo for MutVisitor.
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Matthias Krüger 2021-12-14 20:47:28 +01:00 committed by GitHub
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@ -1,5 +1,5 @@
//! A `MutVisitor` represents an AST modification; it accepts an AST piece and
//! and mutates it in place. So, for instance, macro expansion is a `MutVisitor`
//! mutates it in place. So, for instance, macro expansion is a `MutVisitor`
//! that walks over an AST and modifies it.
//!
//! Note: using a `MutVisitor` (other than the `MacroExpander` `MutVisitor`) on