fixbug-wrong file name

README.md

@@ -61,7 +61,7 @@ image.save("./image.jpg")
 ```
 
 ### With comfyui 
-An [example comfyui workflow](./example_workflow.json) is also provided. 
+An [example comfyui workflow](./example-workflow.json) is also provided. 
 
 
 ## Limitations and bias