fix some indentation in docs block quote

site/using-weave.md

@@ -31,20 +31,20 @@ Where,
 
 > **Note** If the first command results in an error like
 > ```
->    Cannot connect to the Docker daemon. Is the docker daemon running on this host?
+> Cannot connect to the Docker daemon. Is the docker daemon running on this host?
 > ```
 > or
 > ```
->    http:///var/run/docker.sock/v1.19/containers/create: dial unix/var/run/docker.sock: permission denied. Are you trying to connect to a TLS-enabled daemon without TLS?
+> http:///var/run/docker.sock/v1.19/containers/create: dial unix/var/run/docker.sock: permission denied. Are you trying to connect to a TLS-enabled daemon without TLS?
 > ```
 > then you likely need to be 'root' in order to connect to the Docker
 > daemon. If so, run the above and all subsequent commands in a
 > *single* root shell:
 > ```
->    host1$ sudo -s
->    host1# weave launch
->    host1# eval $(weave env)
->    host1# docker run --name a1 -ti weaveworks/ubuntu
+> host1$ sudo -s
+> host1# weave launch
+> host1# eval $(weave env)
+> host1# docker run --name a1 -ti weaveworks/ubuntu
 > ```
 > Do *not* prefix individual commands with `sudo`, since some commands
 > modify environment entries and hence they all need to be executed from