diff --git a/README.md b/README.md
index 983f911af5..23244d44d9 100644
--- a/README.md
+++ b/README.md
@@ -205,7 +205,7 @@ results, these operations can be extremely efficient.
 
 ```javascript
 var myObject = {a:1,b:2,c:3};
-Seq(myObject).map(x => x * x).toObject();
+Immutable.Seq(myObject).map(x => x * x).toObject();
 // { a: 1, b: 4, c: 9 }
 ```