Update README.md

README.md

@@ -56,5 +56,5 @@ Apache-2.0
   year = {2013},
   publisher = {GitHub},
   journal = {GitHub Repository},
-  howpublished = {\url{https://github.com/cannin/biostars_qa}},
+  howpublished = {\url{https://github.com/cannin/biostars_qa}}
 }