[doc] Fix link in PreTrainedModel documentation (#19065)

src/transformers/modeling_utils.py

@@ -1472,7 +1472,7 @@ class PreTrainedModel(nn.Module, ModuleUtilsMixin, GenerationMixin, PushToHubMix
     ):
         """
         Save a model and its configuration file to a directory, so that it can be re-loaded using the
-        `[`~PreTrainedModel.from_pretrained`]` class method.
+        [`~PreTrainedModel.from_pretrained`] class method.
 
         Arguments:
             save_directory (`str` or `os.PathLike`):