diff --git a/PFERD/output_dir.py b/PFERD/output_dir.py
index ecc203b..38d1288 100644
--- a/PFERD/output_dir.py
+++ b/PFERD/output_dir.py
@@ -52,7 +52,7 @@ class OnConflict(Enum):
             return OnConflict(string)
         except ValueError:
             raise ValueError("must be one of 'prompt', 'local-first',"
-                             " 'remote-first', 'no-delete', 'no-delete-ask-overwrite'")
+                             " 'remote-first', 'no-delete', 'no-delete-prompt-overwrite'")
 
 
 @dataclass