diff --git a/library/alloc/src/rc.rs b/library/alloc/src/rc.rs
index 76266d77bb0..7dbdc8f6017 100644
--- a/library/alloc/src/rc.rs
+++ b/library/alloc/src/rc.rs
@@ -326,7 +326,7 @@ impl<T> Rc<T> {
     }
 
     /// Constructs a new `Rc<T>` using a weak reference to itself. Attempting
-    /// to upgrade the weak reference before this function retuns will result
+    /// to upgrade the weak reference before this function returns will result
     /// in a `None` value. However, the weak reference may be cloned freely and
     /// stored for use at a later time.
     #[inline]