diff --git a/compiler/rustc_errors/src/diagnostic.rs b/compiler/rustc_errors/src/diagnostic.rs
index afce877547f3..797dcd7b4d1d 100644
--- a/compiler/rustc_errors/src/diagnostic.rs
+++ b/compiler/rustc_errors/src/diagnostic.rs
@@ -880,7 +880,7 @@ pub fn multipart_suggestion(
         )
     } }
 
-    /// Show a suggestion that has multiple parts to it, always as it's own subdiagnostic.
+    /// Show a suggestion that has multiple parts to it, always as its own subdiagnostic.
     /// In other words, multiple changes need to be applied as part of this suggestion.
     #[rustc_lint_diagnostics]
     pub fn multipart_suggestion_verbose(