diff --git a/src/librustdoc/clean/types.rs b/src/librustdoc/clean/types.rs
index 0aedc7f5219c8..69899539b4523 100644
--- a/src/librustdoc/clean/types.rs
+++ b/src/librustdoc/clean/types.rs
@@ -753,7 +753,8 @@ impl Item {
             .other_attrs
             .iter()
             .filter_map(|attr| {
-                // NoMangle is special-cased because cargo-semver-checks uses it
+                // NoMangle is special cased, as it appears in HTML output, and we want to show it in source form, not HIR printing.
+                // It is also used by cargo-semver-checks.
                 if matches!(attr, hir::Attribute::Parsed(AttributeKind::NoMangle(..))) {
                     Some("#[no_mangle]".to_string())
                 } else if is_json {