Update README.md

README.md

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 **FlagOS** is a unified heterogeneous computing software stack for large models, co-developed with leading global chip manufacturers. With core technologies such as the **FlagScale** distributed training/inference framework, **FlagGems** universal operator library, **FlagCX** communication library, and **FlagTree** unified compiler, the **FlagRelease** platform leverages the FlagOS stack to automatically produce and release various combinations of <chip + open-source model>. This enables efficient and automated model migration across diverse chips, opening a new chapter for large model deployment and application.
 
-Based on this, the **RoboBrain2.0-7B-FP8Dynamic-FlagOS** model is adapted for the Metax chip using the FlagOS software stack, enabling:
+Based on this, the **RoboBrain2.0-7B-FP8Dynamic-FlagOS** model is adapted for the Nvidia chip using the FlagOS software stack, enabling:
 
 ### Integrated Deployment