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README.md

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 # Decision Transformer model trained on medium trajectories sampled from the Gym Walker2d environment
-This is a trained [Decision Transformer](https://arxiv.org/abs/2106.01345) model trained on medium trajectories sampled from the Gym Hopper environment
+This is a trained [Decision Transformer](https://arxiv.org/abs/2106.01345) model trained on medium trajectories sampled from the Gym Walker2d environment
 
 <video src="https://huggingface.co/edbeeching/decision-transformer-gym-walker2d-medium/resolve/main/walker2d-medium.mp4" controls autoplay loop></video>