Update README.md

Update detail and link for GDSC_dose_response_scores.tsv

scripts/bayesian_sigmoid_curve_fitting/README.md

@@ -4,7 +4,9 @@ Here we provide scripts for Bayesian sigmoid curve fitting of dose-response valu
 
 *Chayaporn Suphavilai, Denis Bertrand, Niranjan Nagarajan; Predicting Cancer Drug Response using a Recommender System, Bioinformatics, Volume 34, Issue 22, 15 November 2018, Pages 3907–3914, https://doi.org/10.1093/bioinformatics/bty452*
 
-- GDSC_dose_response_scores.tsv [Download](https://www.dropbox.com/s/oufmlqkwt0wtvlp/GDSC_dose_response_scores.tsv?dl=0)
+- GDSC_dose_response_scores.tsv [Download](https://www.dropbox.com/s/2z6b38au9kq89nq/GDSC_dose_response_scores.tsv?dl=0) 
+*This version is slightly different from the published version. Drug-sample pairs tested for five dosages were removed as the previous dosage values are incorrect. We are preparing to release a new version soon.*
+
 - CCLE_dose_response_scores.tsv [Download](https://www.dropbox.com/s/glk6sttf1b1wx66/CCLE_dose_response_scores.tsv?dl=0)
 
 ### Additional Required Libraries