Update README.md

README.md

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 This is a merge of pre-trained language models created using [mergekit](https://github.com/cg123/mergekit).
 
 ## Merge Details
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+Same idea as Lambent/qwen2.5-14B-selfmerge-A, but training the base model on an ~20M token instruct and continued pretraining dataset first.
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+Hope is the lightweight instruction tuning might add some synergy with the original instruct.
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 ### Merge Method
 
 This model was merged using the SLERP merge method.