typo

Author: cysouw

README.md

@@ -10,7 +10,7 @@ The cookbook is available in its most up-to-date form in this directory as [unic
 
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-[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.1300528.svg)](https://doi.org/10.5281/zenodo.773250)
+[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.773250.svg)](https://doi.org/10.5281/zenodo.773250)
 
 
 ## Preface