optimize search for string sdxl (#481)

06_gpu_and_ml/stable_diffusion/stable_diffusion_xl.py

@@ -6,7 +6,7 @@
 # # Stable Diffusion XL 1.0
 #
 # This example is similar to the [Stable Diffusion CLI](/docs/examples/stable_diffusion_cli)
-# example, but it generates images from the larger XL 1.0 model. Specifically, it runs the
+# example, but it generates images from the larger SDXL 1.0 model. Specifically, it runs the
 # first set of steps with the base model, followed by the refiner model.
 #
 # [Try out the live demo here!](https://modal-labs--stable-diffusion-xl-app.modal.run/) The first