adding extra contributor

README.md

@@ -7,7 +7,7 @@ WIDOCO helps you to publish and create an enriched and customized documentation
 
 **Author**: Daniel Garijo Verdejo (@dgarijo)
 
-**Contributors**: María Poveda, Idafen Santana, Almudena Ruiz, Miguel Angel García, Oscar Corcho, Daniel Vila, Sergio Barrio, Martin Scharm, Maxime Lefrancois, Alfredo Serafini, @kartgk, Pat Mc Bennett, Christophe Camel, Jacobus Geluk, Martin Scharm, @rpietzsch, Jonathan Leitschuh, Jodi Schneider, Giacomo Lanza, Alejandra Gonzalez-Beltran, Mario Scrocca, Miguel Angel García, Flores Bakker, @JohnnyMoonlight,  René Fritze, @telecsur, Jan Vlug, Han Kruiger, Johannes Theissen-Lipp, Roberto Polli and Victor Chavez.
+**Contributors**: María Poveda, Idafen Santana, Almudena Ruiz, Miguel Angel García, Oscar Corcho, Daniel Vila, Sergio Barrio, Martin Scharm, Maxime Lefrancois, Alfredo Serafini, @kartgk, Pat Mc Bennett, Christophe Camel, Jacobus Geluk, Martin Scharm, @rpietzsch, Jonathan Leitschuh, Jodi Schneider, Giacomo Lanza, Alejandra Gonzalez-Beltran, Mario Scrocca, Miguel Angel García, Flores Bakker, @JohnnyMoonlight,  René Fritze, @telecsur, Jan Vlug, Han Kruiger, Johannes Theissen-Lipp, Roberto Polli, Victor Chavez and Sirko Schindler.
 
 **Citing WIDOCO**: If you used WIDOCO in your work, please cite the ISWC 2017 paper: https://iswc2017.semanticweb.org/paper-138