[QUICK FIX LINK] Update trainer.py (#26293)

* Update trainer.py

Fix link

* Update src/transformers/trainer.py
Co-authored-by: Arthur <48595927+ArthurZucker@users.noreply.github.com>

* Update trainer.py

---------
Co-authored-by: Arthur <48595927+ArthurZucker@users.noreply.github.com>

src/transformers/trainer.py

@@ -378,7 +378,7 @@ class Trainer:
                 f"The model you have picked ({model.__class__.__name__}) cannot be used as is for training: it only "
                 "computes hidden states and does not accept any labels. You should choose a model with a head "
                 "suitable for your task like any of the `AutoModelForXxx` listed at "
-                "https://huggingface.co/docs/transformers/model_doc/auto."
+                "https://huggingface.co/docs/transformers/model_doc/auto"
             )
 
         if hasattr(model, "is_parallelizable") and model.is_parallelizable and model.model_parallel: