Merge pull request #8426 from proppy/patch-12

google: fix typo

docs/sources/installation/google.md

@@ -28,7 +28,7 @@ page_keywords: Docker, Docker documentation, installation, google, Google Comput
 4. Connect to the instance using SSH:
 
         $ gcloud compute ssh --zone us-central1-a docker-playground
-        $$ docker-playground:~$ sudo docker run hello-world
+        docker-playground:~$ sudo docker run hello-world
 	Hello from Docker.
 	This message shows that your installation appears to be working correctly.
 	...