diff --git a/README.md b/README.md
index b5c1e18..4faa4c9 100644
--- a/README.md
+++ b/README.md
@@ -45,7 +45,7 @@ towhee.dc(["Hello, world."]) \
 
 Create the operator via the following factory method
 
-***text_embedding.dpr(model_name="")***
+***text_embedding.dpr(model_name="facebook/dpr-ctx_encoder-single-nq-base")***
 
 **Parameters:**