[Doctest] RoBERTa Config for doctest (#19563)

src/transformers/models/roberta/configuration_roberta.py

@@ -55,7 +55,7 @@ class RobertaConfig(BertConfig):
     >>> # Initializing a RoBERTa configuration
     >>> configuration = RobertaConfig()
 
-    >>> # Initializing a model from the configuration
+    >>> # Initializing a model (with random weights) from the configuration
     >>> model = RobertaModel(configuration)
 
     >>> # Accessing the model configuration

utils/documentation_tests.txt

@@ -81,6 +81,7 @@ src/transformers/models/regnet/modeling_regnet.py
 src/transformers/models/regnet/modeling_tf_regnet.py
 src/transformers/models/resnet/modeling_resnet.py
 src/transformers/models/resnet/modeling_tf_resnet.py
+src/transformers/models/roberta/configuration_roberta.py
 src/transformers/models/roberta/modeling_roberta.py
 src/transformers/models/roberta/modeling_tf_roberta.py
 src/transformers/models/segformer/modeling_segformer.py