diff --git a/README.md b/README.md
index 2c95b41..ff93a2f 100644
--- a/README.md
+++ b/README.md
@@ -42,7 +42,7 @@ DataCollection(res).show()
 
 Create the operator via the following factory method
 
-***towhee.text_loader(chunk_size=300)***
+***towhee.text_loader(type='RecursiveCharacter', chunk_size=300)***
 
 **Parameters:**