Update README.md

README.md

@@ -144,8 +144,8 @@ image = pipe(
     negative_prompt=negative_prompt, 
     width=1024,
     height=1024,
-    guidance_scale=7,
-    num_inference_steps=20
+    guidance_scale=7.5,
+    num_inference_steps=50
 ).images[0]
 ```