diff --git a/src/imp/bytes/mod.rs b/src/imp/bytes/mod.rs
index 34b7d31ff10e1b5a9719fb5294d37722bb45ce87..d10ed24f461cae23bc02d81d8bf3c5d9b2f6952d 100644
--- a/src/imp/bytes/mod.rs
+++ b/src/imp/bytes/mod.rs
@@ -10,6 +10,7 @@ use std::{cmp, fmt, ops};
 use std::io::Cursor;
 use std::sync::Arc;
 
+/// An immutable sequence of bytes
 #[derive(Clone)]
 pub struct Bytes {
     kind: Kind,