Update readme

Signed-off-by: Jael Gu <mengjia.gu@zilliz.com>

README.md

@@ -17,7 +17,7 @@ This operator is implemented with pre-trained models from [Huggingface Transform
 Use the pre-trained model 'sentence-transformers/paraphrase-albert-small-v2'
 to generate an embedding for the sentence "Hello, world.".
 
-*Write a same pipeline with explicit inputs/outputs name specifications:*
+*Write a pipeline with explicit inputs/outputs name specifications:*
 
 ```python
 from towhee.dc2 import pipe, ops, DataCollection