diff --git a/src/attr/doc_comment.rs b/src/attr/doc_comment.rs
index c2ae16d1c914..00185425d6a5 100644
--- a/src/attr/doc_comment.rs
+++ b/src/attr/doc_comment.rs
@@ -1,6 +1,7 @@
 use crate::comment::CommentStyle;
 use std::fmt::{self, Display};
 
+/// Formats a string as a doc comment using the given [`CommentStyle`].
 #[derive(new)]
 pub(super) struct DocCommentFormatter<'a> {
     literal: &'a str,