Fix DOI in Readme

Change-Id: I31c1025d3544c4d498d3959e3aa38ff68c92417f
diff --git a/Readme.md b/Readme.md
index 4799932..8fb51b2 100644
--- a/Readme.md
+++ b/Readme.md
@@ -1,6 +1,6 @@
 # Datok - Finite State Tokenizer
 
-[![DOI](https://zenodo.org/badge/416456182.svg)](https://zenodo.org/badge/latestdoi/416456182)
+![DOI](https://zenodo.org/badge/416456182.svg)](https://zenodo.org/badge/latestdoi/416456182)
 
 ![Introduction to Datok](https://raw.githubusercontent.com/KorAP/Datok/master/misc/introducing-datok.gif)