Fix registry version argument
@@ -51,7 +51,7 @@ By following these simple rules you will get better and faster feedback on your
2. copy the output of:
- `docker version`
- `docker info`
- - `docker exec <registry-container> registry -version`
+ - `docker exec <registry-container> registry --version`
3. copy the command line you used to launch your Registry
4. restart your docker daemon in debug mode (add `-D` to the daemon launch arguments)
5. reproduce your problem and get your docker daemon logs showing the error
