Update README.md

Author: Hironsan

README.md

@@ -105,8 +105,8 @@ Here are some tips might be helpful. [How to Contribute to Doccano Project](http
 ```
 @misc{doccano,
   title={{doccano}: Text Annotation Tool for Human},
-  url={https://github.com/chakki-works/doccano},
-  note={Software available from https://github.com/chakki-works/doccano},
+  url={https://github.com/doccano/doccano},
+  note={Software available from https://github.com/doccano/doccano},
   author={
     Hiroki Nakayama and
     Takahiro Kubo and