Update README.md

README.md

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 license: afl-3.0
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-Here only provides a simple, useful template. For more details, please visit the [HuDiff GitHub repository](https://github.com/TencentAI4S/HuDiff).
+Here, the tar file contains only the LMDB files of the training dataset and the checkpoints for HuDiff-Ab and HuDiff-Nb. 
+For the code and further details, please visit the HuDiff GitHub repository. 
+Below are simple code templates for utilizing the checkpoint to humanize the sequences.
 ## HuDiff-Ab Humanization
 There are two ways to humanize an antibody, either by using a complex fasta file containing antigen-antibody sequences or by providing individual heavy and light chain sequences.
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