diff --git a/src/cargo/core/profiles.rs b/src/cargo/core/profiles.rs
index 96df1a231..1c5f2fa46 100644
--- a/src/cargo/core/profiles.rs
+++ b/src/cargo/core/profiles.rs
@@ -495,7 +495,8 @@ impl Profile {
     /// Compare all fields except `name`, which doesn't affect compilation.
     /// This is necessary for `Unit` deduplication for things like "test" and
     /// "dev" which are essentially the same.
-    #[cfg_attr(feature = "cargo-clippy", allow(type_complexity))] // exempted
+    // The complexity of the result type is exempted because it's limited in scope.
+    #[cfg_attr(feature = "cargo-clippy", allow(type_complexity))]
     fn comparable(
         &self,
     ) -> (