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-rw-r--r--compiler/rustc_type_ir/src/lib.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_type_ir/src/lib.rs b/compiler/rustc_type_ir/src/lib.rs
index 1c9475f7a66..37abb4496ac 100644
--- a/compiler/rustc_type_ir/src/lib.rs
+++ b/compiler/rustc_type_ir/src/lib.rs
@@ -119,7 +119,7 @@ rustc_index::newtype_index! {
     /// Bruijn index of 0, meaning "the innermost binder" (in this case, a
     /// fn). The region `'a` that appears in the second argument type (`&'a
     /// isize`) would then be assigned a De Bruijn index of 1, meaning "the
-    /// second-innermost binder". (These indices are written on the arrays
+    /// second-innermost binder". (These indices are written on the arrows
     /// in the diagram).
     ///
     /// What is interesting is that De Bruijn index attached to a particular