update README

README.md

@@ -339,6 +339,7 @@ We test the model on an 1M version of the [RULER](https://arxiv.org/abs/2404.066
 
 * All models are evaluated with Dual Chunk Attention enabled.
 * Since the evaluation is time-consuming, we use 260 samples for each length (13 sub-tasks, 20 samples for each).
+* To avoid overly verbose reasoning, we set the thinking budget to 8,192 tokens.
 
 ## Best Practices