Clarify one-time checkpoint key conversion

README.md

@@ -39,8 +39,8 @@ original `.ckpt` into `braindecode.models.NeuroPose` and running both implementa
 the same input gives bit-identical outputs (max absolute difference 0.0, 6,354,903
 parameters in both).
 
-The original checkpoint remains loadable without this repo — `NeuroPose.load_state_dict`
-maps the upstream keys itself.
+The Hub checkpoint uses Braindecode-native parameter names; upstream naming is handled
+once during publication rather than by the runtime model.
 
 ## Architecture