diff --git a/src/transformers/training_args.py b/src/transformers/training_args.py
index 1a907107f865..2a709fb8d895 100644
--- a/src/transformers/training_args.py
+++ b/src/transformers/training_args.py
@@ -352,8 +352,9 @@ class TrainingArguments:
         label_names (`List[str]`, *optional*):
             The list of keys in your dictionary of inputs that correspond to the labels.
 
-            Will eventually default to `["labels"]` except if the model used is one of the `XxxForQuestionAnswering` in
-            which case it will default to `["start_positions", "end_positions"]`.
+            Will eventually default to the list of argument names accepted by the model that contain the word "label",
+            except if the model used is one of the `XxxForQuestionAnswering` in which case it will also include the
+            `["start_positions", "end_positions"]` keys.
         load_best_model_at_end (`bool`, *optional*, defaults to `False`):
             Whether or not to load the best model found during training at the end of training.