Update README.md

README.md

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 # Model Card for Model ID
 
-This is the Step2 agent trained with **retrieval-augmented** UI-Simulator with **UI-Simulator-Grow scaling paradigm**. It is trained to solve AndroidWorld tasks.
+This is the Step1 agent trained with **retrieval-augmented** UI-Simulator with **UI-Simulator-Grow scaling paradigm**. It is trained to solve AndroidWorld tasks.
 
 ## Uses