Merge pull request #25963 from yuexiao-wang/fix-repo

Modify incorrect repository URL
(cherry picked from commit a110512e38a14e938096fe18b345e8f920605b9f)

Signed-off-by: Charles Smith <charles.smith@docker.com>

docs/extend/plugins.md

@@ -201,7 +201,7 @@ created from a Dockerfile as follows:
 the plugin._
 
 ```bash
-$ git clone github.com/vieux/docker-volume-sshfs
+$ git clone https://github.com/vieux/docker-volume-sshfs
 $ cd docker-volume-sshfs
 $ docker build -t rootfs .
 $ id=$(docker create rootfs true) # id was cd851ce43a403 when the image was created