Update README.md

juliannevela · Feb 4, 2018 · 6a5fb0f · 6a5fb0f
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Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/README.md b/README.md
@@ -4,7 +4,7 @@ A license friendly NGC/IC objects database
 Credits: Mattia Verga
 	https://github.com/mattiaverga/OpenNGC
 
-DOI: 10.21938/y.1ejWUD_MQ6b_eDFoVbbw
+[![DOI: 10.21938/y.1ejWUD_MQ6b_eDFoVbbw](https://img.shields.io/badge/DOI-10.21938%2Fy.1ejWUD__MQ6b__eDFoVbbw-blue.svg)](http://dc.zah.uni-heidelberg.de/voidoi/q/lp/custom/10.21938/y.1ejWUD_MQ6b_eDFoVbbw)
 
 
 ### PRESENTATION