diff --git a/python/tvm/api.py b/python/tvm/api.py
index f0261be37e41..ef121bc880b2 100644
--- a/python/tvm/api.py
+++ b/python/tvm/api.py
@@ -179,7 +179,7 @@ def var(name="tindex", dtype=int32):
     name : str
         The name
 
-    dtype : int
+    dtype : str
         The data type
 
     Returns