Update README.md

README.md

@@ -55,6 +55,7 @@ Arguments that can be set by user in `pipeline()`:
 - `guidance_scale` [optional: default=7.5]: scale for classifier-free guidance
 - `height`, `width` [optional: default=1024]: height and width of generated images (we recommend leaving it at 1024!)
 
+Note: for generating realistic photos with SDXL, we recommend using a prompt such as `"teapot, high quality photography"`.
 
 ## Citation