Fix typo

README.md

@@ -113,7 +113,7 @@ to that directory as `model_ckpt.ckpt` and the training config as `config.yaml`
 (this is necessary since the gen. training will look for those files to reconstruct
 tokens back to physical space).
 
-You can run then run the training of the generative model by running the following command:
+You can then run the training of the generative model by running the following command:
 
 ```bash
 python gabbro/train.py experiment=example_experiment_generative