Update README.md

README.md

@@ -39,6 +39,7 @@ result = pipe(
     mask_image=mask_image,   # white = background area to edit, black = subject to preserve
     num_inference_steps=30,
     guidance_scale=7.5,
+    strength=1.0,             # important: use exactly 1.0 — values like 0.99 only blend lightly instead of fully regenerating the masked area
 ).images[0]
 ```