Tuning WM parameters

watermark.py

@@ -59,8 +59,8 @@ class WatermarkingAaronsonLogitsProcessor( WatermarkingLogitsProcessor):
 
 class WatermarkingKirchenbauerLogitsProcessor(WatermarkingLogitsProcessor):
     def __init__(self, *args,
-                 gamma = 0.5,
-                 delta = 4.0,
+                 gamma = 0.25,
+                 delta = 5.0,
                  **kwargs):
         super().__init__(*args, **kwargs)
         self.gamma = gamma