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-Library of sketching functions used by [PopPUNK](https://www.poppunk.net>). See documentation at http://poppunk.readthedocs.io/en/latest/sketching.html
+Library of sketching functions used by [PopPUNK](https://github.com/bacpop/PopPUNK). See documentation at https://poppunk.bacpop.org/sketching.html#using-pp-sketchlib-directly
 
 ## Installation