fix file names: vtn-observer.py -> vtn-synchronizer.py
diff --git a/xos/synchronizers/vtn/run.sh b/xos/synchronizers/vtn/run.sh
index d7e5025..9731bd2 100755
--- a/xos/synchronizers/vtn/run.sh
+++ b/xos/synchronizers/vtn/run.sh
@@ -1,2 +1,2 @@
 export XOS_DIR=/opt/xos
-python vtn-observer.py  -C $XOS_DIR/observers/vtn/vtn_observer_config
+python vtn-synchronizer.py  -C $XOS_DIR/observers/vtn/vtn_observer_config
diff --git a/xos/synchronizers/vtn/start.sh b/xos/synchronizers/vtn/start.sh
index 168074d..2b9c3f2 100755
--- a/xos/synchronizers/vtn/start.sh
+++ b/xos/synchronizers/vtn/start.sh
@@ -1,2 +1,2 @@
 export XOS_DIR=/opt/xos
-nohup python vtn-observer.py  -C $XOS_DIR/observers/vtn/vtn_observer_config > /dev/null 2>&1 &
+nohup python vtn-synchronizer.py  -C $XOS_DIR/observers/vtn/vtn_observer_config > /dev/null 2>&1 &
diff --git a/xos/synchronizers/vtn/stop.sh b/xos/synchronizers/vtn/stop.sh
index 261f029..7ff2b06 100755
--- a/xos/synchronizers/vtn/stop.sh
+++ b/xos/synchronizers/vtn/stop.sh
@@ -1 +1 @@
-pkill -9 -f vtn-observer.py
+pkill -9 -f vtn-synchronizer.py