diff --git a/README.md b/README.md
index 6c47fb0..8aca2f4 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@ from towhee import dc
 
 
 dc.stream(["Hello, world."])
-  .text_embedding.dpr("facebook/dpr-ctx_encoder-single-nq-base")
+  .text_embedding.dpr(model_name="facebook/dpr-ctx_encoder-single-nq-base")
   .show()
 ```