Update paper link to point to Wellcome

Author: jake-westfall

README.md

@@ -2,7 +2,7 @@ NiPyMC
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 [![DOI](https://zenodo.org/badge/51732166.svg)](https://zenodo.org/badge/latestdoi/51732166)
 
-This repository contains the supplemental material for Westfall, Nichols, & Yarkoni (2016), "[Fixing the stimulus-as-fixed-effect fallacy in task fMRI](http://biorxiv.org/content/early/2016/09/25/077131)."
+This repository contains the supplemental material for Westfall, Nichols, & Yarkoni (2016), "[Fixing the stimulus-as-fixed-effect fallacy in task fMRI](https://wellcomeopenresearch.org/articles/1-23/)."
 
 ## Table of Contents
 - [Reproducing the analyses](#reproducing-the-analyses)