diff --git a/README.md b/README.md
index ff93a2f..6912861 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(type='RecursiveCharacter', chunk_size=300)***
+***towhee.text_loader(type='RecursiveCharacter', chunk_size=300, \*\*kwargs)***
 
 **Parameters:**