Fix capitalization in NEWS section of README

Author: anxiangsir

README.md

@@ -64,8 +64,8 @@
 
 
 ## NEWS
-- 2025-09-30: Released a comprehensive [Offline Data Pack documentation](examples_offline_packing).
-- 2025-09-30: Released the LLaVA-OneVision-1.5 [Technical Report](https://arxiv.org/abs/2509.23661).
+- 2025-09-30: Released a comprehensive [offline data pack documentation](examples_offline_packing).
+- 2025-09-30: Released the LLaVA-OneVision-1.5 [technical report](https://arxiv.org/abs/2509.23661).
 
 
 ## Contents