fix link for develpers
@@ -43,7 +43,7 @@ $ nvidia-docker run -it cupy/cupy /bin/bash
## Development
-Please see [the documentation for developers](https://docs-cupy.chainer.org/en/stable/developers.html).
+Please see [the contribution guide](https://docs-cupy.chainer.org/en/stable/contribution.html).
## More information
