Fix CoNLL-U plugin in Dockerfile

Change-Id: I56d1bfde736e05752dc4a6bd58dd7dfe6f64b748
diff --git a/Dockerfile b/Dockerfile
index 5ca0017..641adec 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -130,7 +130,7 @@
 ENV MOJO_LISTEN http://*:${MOJO_PORT}
 ENV MOJO_MODE   production
 
-RUN echo "{Kalamar=>{plugins=>['KorAPXML2Krill','Tei2KorAPXML','KorAPXML2CoNNLU']}}" > kalamar.production.conf
+RUN echo "{Kalamar=>{plugins=>['KorAPXML2Krill','Tei2KorAPXML','KorAPXML2CoNLLU']}}" > kalamar.production.conf
 
 EXPOSE ${MOJO_PORT}