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-rw-r--r--compiler/rustc_mir_transform/src/ref_prop.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_mir_transform/src/ref_prop.rs b/compiler/rustc_mir_transform/src/ref_prop.rs
index 2b07c04a121..8d0b47cb34a 100644
--- a/compiler/rustc_mir_transform/src/ref_prop.rs
+++ b/compiler/rustc_mir_transform/src/ref_prop.rs
@@ -345,7 +345,7 @@ fn fully_replacable_locals(ssa: &SsaLocals) -> BitSet<Local> {
     replacable
 }
 
-/// Utility to help performing subtitution of `*pattern` by `target`.
+/// Utility to help performing substitution of `*pattern` by `target`.
 struct Replacer<'tcx> {
     tcx: TyCtxt<'tcx>,
     targets: IndexVec<Local, Value<'tcx>>,