[ViLT] Fix checkpoint url in config (#15790)

* [ViLT] Fix checkpoint url in config

* Apply suggestions from code review
Co-authored-by: NielsRogge <48327001+NielsRogge@users.noreply.github.com>
Co-authored-by: NielsRogge <48327001+NielsRogge@users.noreply.github.com>

src/transformers/models/vilt/configuration_vilt.py

@@ -21,7 +21,7 @@ from ...utils import logging
 logger = logging.get_logger(__name__)
 
 VILT_PRETRAINED_CONFIG_ARCHIVE_MAP = {
-    # TODO
+    "dandelin/vilt-b32-mlm": "https://huggingface.co/dandelin/vilt-b32-mlm/blob/main/config.json"
 }
 
 
@@ -30,7 +30,7 @@ class ViltConfig(PretrainedConfig):
     This is the configuration class to store the configuration of a [`ViLTModel`]. It is used to instantiate an ViLT
     model according to the specified arguments, defining the model architecture. Instantiating a configuration with the
     defaults will yield a similar configuration to that of the ViLT
-    [google/vit-base-patch16-224](https://huggingface.co/google/vit-base-patch16-224) architecture.
+    [dandelin/vilt-b32-mlm](https://huggingface.co/dandelin/vilt-b32-mlm) architecture.
 
     Configuration objects inherit from [`PretrainedConfig`] and can be used to control the model outputs. Read the
     documentation from [`PretrainedConfig`] for more information.