Fix docs text inversion (#3166)

* Fix docs text inversion

* Apply suggestions from code review

src/diffusers/loaders.py

@@ -511,7 +511,7 @@ class TextualInversionLoaderMixin:
         model_id = "runwayml/stable-diffusion-v1-5"
         pipe = StableDiffusionPipeline.from_pretrained(model_id, torch_dtype=torch.float16).to("cuda")
 
-        pipe.load_textual_inversion("./charturnerv2.pt")
+        pipe.load_textual_inversion("./charturnerv2.pt", token="charturnerv2")
 
         prompt = "charturnerv2, multiple views of the same character in the same outfit, a character turnaround of a woman wearing a black jacket and red shirt, best quality, intricate details."