Update README.md

README.md

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 # Pi0 Base Checkpoint (mirror)
 
-This repository mirrors the OpenPI base checkpoint so our training runs can pin an exact base.
+This repository mirrors the OpenPI base checkpoints so our training runs can pin an exact base.
 
-- Source: `s3://openpi-assets/checkpoints/pi0_base/params`
-- Source metadata timestamp: 2025-06-25 23:22:30 UTC
+- Source: `s3://openpi-assets/checkpoints/`
 
-This is a copy of the checkpoint published by the OpenPI team, mirrored for reproducibility and convenience in our workflows.
+The checkpoints here are copies of checkpoints published by the OpenPI team, mirrored for reproducibility and convenience in our workflows.