diff --git a/DockerSwarm/swarm-volumes-storage-howto.adoc b/DockerSwarm/swarm-volumes-storage-howto.adoc
index 3f5255a..fa2304b 100644
--- a/DockerSwarm/swarm-volumes-storage-howto.adoc
+++ b/DockerSwarm/swarm-volumes-storage-howto.adoc
@@ -42,8 +42,8 @@ docker node update --label-add minio2=true [node-name]
 docker node update --label-add minio3=true [node-name]
 docker node update --label-add minio4=true [node-name]
 
-docker node update --label-add group==minio [node-name] //<2>
-docker node update --label-add group==minio [node-name]
+docker node update --label-add group=minio [node-name] //<2>
+docker node update --label-add group=minio [node-name]
 ----
 <1> node name from command: docker node ls e.g. *snf-12118*  (minio)
 <2> node name from command: docker node ls e.g. *snf-12118*  (proxy)
@@ -292,7 +292,7 @@ server {
  proxy_buffering off;
 
   ssl_certificate    /etc/nginx/public.crt; //<4>
-    ssl_certificate_key /etc/nginx/private.crt; //<4>
+    ssl_certificate_key /etc/nginx/private.key; //<4>
     ssl_protocols       TLSv1 TLSv1.1 TLSv1.2;
     ssl_ciphers         HIGH:!aNULL:!MD5;
 
@@ -333,8 +333,10 @@ server {
 .cp files
 [source,yaml]
 ----
-scp minio.conf zeus@*ip*:/PATH_to_FILE/minio.conf // <1>
-scp minio.conf zeus@*ip*:/PATH_to_FILE/minio.conf // <1>
+# copy files to proxy server
+scp minio.conf user@IP:/PATH_to_FILE/minio.conf // <1> 
+scp private.key user@IP:/PATH_to_FILE/private.key // <1>
+scp public.crt user@IP:/PATH_to_FILE/public.crt // <1>
 ----
 <1> change *ip* (see <2> in http://docs.swarmlab.io/lab/DockerSwarm/swarm-volumes-storage-howto.adoc.html#_create_node_labels[create_node_labels]) and *PATH_to_FILE* (see <16> in http://docs.swarmlab.io/lab/DockerSwarm/swarm-volumes-storage-howto.adoc.html#_create_yaml_file[create_yaml_file])