Update README.md

README.md

@@ -10,6 +10,6 @@ base_model:
 
 The SFT cold start model trained by the Video-R1-COT-165k dataset. 
 
-This model can be used as a base model for RL training on the Video-R1-260k dataset.
+This intermediate checkpoint can be used as the base model for RL training on the Video-R1-260k dataset.
 
 Please refer to: https://github.com/tulerfeng/Video-R1