Fix procecss process (#6591)

* Fix words

* Fix

---------
Co-authored-by: YiYi Xu <yixu310@gmail.com>

src/diffusers/pipelines/unidiffuser/pipeline_unidiffuser.py

@@ -439,7 +439,7 @@ class UniDiffuserPipeline(DiffusionPipeline):
             batch_size = prompt_embeds.shape[0]
 
         if prompt_embeds is None:
-            # textual inversion: procecss multi-vector tokens if necessary
+            # textual inversion: process multi-vector tokens if necessary
             if isinstance(self, TextualInversionLoaderMixin):
                 prompt = self.maybe_convert_prompt(prompt, self.clip_tokenizer)
 
@@ -521,7 +521,7 @@ class UniDiffuserPipeline(DiffusionPipeline):
             else:
                 uncond_tokens = negative_prompt
 
-            # textual inversion: procecss multi-vector tokens if necessary
+            # textual inversion: process multi-vector tokens if necessary
             if isinstance(self, TextualInversionLoaderMixin):
                 uncond_tokens = self.maybe_convert_prompt(uncond_tokens, self.clip_tokenizer)