Update README.md

Author: cgnorthcutt

README.md

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 # Label Errors in Benchmark ML Test Sets
 
-**Release of corrected test sets is delayed due to media coverage. We will release in 2 weeks. Thanks for your patience.*
+**Release of corrected test sets is delayed due to media coverage. We will release in 2 weeks. Thanks for your patience.**
 
 The cleaned and corrected test sets for all ten ML benchmark test sets, along with the indices for all label errors at https://labelerrors.com will be made available here by the end of this week (April 20).