diff --git a/src/stream/mod.rs b/src/stream/mod.rs
index 0bfd4e865..b3c7ff7a3 100644
--- a/src/stream/mod.rs
+++ b/src/stream/mod.rs
@@ -255,7 +255,7 @@
 //!
 //! # Infinity
 //!
-//! Streams do not have to be finite. As an example, an repeat stream is
+//! Streams do not have to be finite. As an example, a repeat stream is
 //! an infinite stream:
 //!
 //! ```