diff --git a/rmp-serde/src/lib.rs b/rmp-serde/src/lib.rs
index ec1c4c9..3cc6288 100644
--- a/rmp-serde/src/lib.rs
+++ b/rmp-serde/src/lib.rs
@@ -12,7 +12,7 @@
 //!     buf
 //! );
 //!
-//! assert_eq!((42, "the Answer"), rmp_serde::from_read_ref(&buf).unwrap());
+//! assert_eq!((42, "the Answer"), rmp_serde::from_slice(&buf).unwrap());
 //! ```
 //!
 //! # Type-based Serialization and Deserialization