diff --git a/src/transformers/trainer_utils.py b/src/transformers/trainer_utils.py
index 42088cd7306..f7edded7d43 100644
--- a/src/transformers/trainer_utils.py
+++ b/src/transformers/trainer_utils.py
@@ -322,7 +322,7 @@ def default_hp_space_ray(trial) -> Dict[str, float]:
 
 def default_hp_space_sigopt(trial):
     return [
-        {"bounds": {"min": 1e-6, "max": 1e-4}, "name": "learning_rate", "type": "double", "transformamtion": "log"},
+        {"bounds": {"min": 1e-6, "max": 1e-4}, "name": "learning_rate", "type": "double", "transformation": "log"},
         {"bounds": {"min": 1, "max": 6}, "name": "num_train_epochs", "type": "int"},
         {"bounds": {"min": 1, "max": 40}, "name": "seed", "type": "int"},
         {