Use concept DOI in readme.

pirms 5 gadiem · 1d0cc06fc2
--- a/readme.md
+++ b/readme.md
@@ -1,7 +1,7 @@
 # Pannellum

 [![Build Status](https://travis-ci.org/mpetroff/pannellum.svg?branch=master)](https://travis-ci.org/mpetroff/pannellum)
 [![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.3334435.svg)](https://doi.org/10.5281/zenodo.3334435)
 [![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.3334433.svg)](https://doi.org/10.5281/zenodo.3334433)

 ## About