Rename observers to synchronizers
diff --git a/xos/configurations/vtn/docker-compose.yml b/xos/configurations/vtn/docker-compose.yml
index c54927b..8beb9d3 100644
--- a/xos/configurations/vtn/docker-compose.yml
+++ b/xos/configurations/vtn/docker-compose.yml
@@ -31,7 +31,7 @@
         - ctl:${MYIP}
     volumes:
         - ../setup:/root/setup:ro
-        - ../setup/id_rsa:/opt/xos/observers/onos/onos_key:ro  # private key
+        - ../setup/id_rsa:/opt/xos/synchronizers/onos/onos_key:ro  # private key
 
 # FUTURE
 #xos_swarm_synchronizer:
@@ -51,4 +51,4 @@
       - ../setup:/root/setup:ro
       - ../common/xos_common_config:/opt/xos/xos_configuration/xos_common_config:ro
       - ./files/xos_vtn_config:/opt/xos/xos_configuration/xos_vtn_config:ro
-      - ../setup/id_rsa.pub:/opt/xos/observers/onos/onos_key.pub:ro
+      - ../setup/id_rsa.pub:/opt/xos/synchronizers/onos/onos_key.pub:ro
diff --git a/xos/tosca/samples/onos.yaml b/xos/tosca/samples/onos.yaml
index a549515..abb0268 100644
--- a/xos/tosca/samples/onos.yaml
+++ b/xos/tosca/samples/onos.yaml
@@ -15,7 +15,7 @@
           view_url: /admin/onos/onosservice/$id$/
           public_key: { get_artifact: [ SELF, pubkey, LOCAL_FILE] }
       artifacts:
-          pubkey: /opt/xos/observers/onos/onos_key.pub
+          pubkey: /opt/xos/synchronizers/onos/onos_key.pub
 
     vBNG:
       type: tosca.nodes.ONOSvBNGApp
@@ -100,4 +100,3 @@
           - slice:
                 node: mysite_onos
                 relationship: tosca.relationships.MemberOfSlice
-
diff --git a/xos/tosca/samples/vtn.yaml b/xos/tosca/samples/vtn.yaml
index a4f13fe..50e8c86 100644
--- a/xos/tosca/samples/vtn.yaml
+++ b/xos/tosca/samples/vtn.yaml
@@ -15,7 +15,7 @@
           view_url: /admin/onos/onosservice/$id$/
           public_key: { get_artifact: [ SELF, pubkey, LOCAL_FILE] }
       artifacts:
-          pubkey: /opt/xos/observers/onos/onos_key.pub
+          pubkey: /opt/xos/synchronizers/onos/onos_key.pub
 
     VTN_ONOS_app:
       type: tosca.nodes.ONOSVTNApp