diff --git a/src/librustc_trait_selection/traits/error_reporting/suggestions.rs b/src/librustc_trait_selection/traits/error_reporting/suggestions.rs
index 14c87b001ab3d..a8fc56d8509a0 100644
--- a/src/librustc_trait_selection/traits/error_reporting/suggestions.rs
+++ b/src/librustc_trait_selection/traits/error_reporting/suggestions.rs
@@ -22,7 +22,7 @@ use std::fmt;
 use super::InferCtxtPrivExt;
 use crate::traits::query::evaluate_obligation::InferCtxtExt as _;
 
-// public for clippy
+// This trait is public to expose the diagnostics methods to clippy.
 pub trait InferCtxtExt<'tcx> {
     fn suggest_restricting_param_bound(
         &self,