diff --git a/scripts/helpers/move-vms-to-ds.py b/scripts/helpers/update-disk-image-ds-on-vms.py
similarity index 93%
rename from scripts/helpers/move-vms-to-ds.py
rename to scripts/helpers/update-disk-image-ds-on-vms.py
index 766910b..da512f7 100644
--- a/scripts/helpers/move-vms-to-ds.py
+++ b/scripts/helpers/update-disk-image-ds-on-vms.py
@@ -19,7 +19,7 @@ def list_of_int_arg(string):
 # Define parser
 # ----------------------------
 parser = argparse.ArgumentParser(
-    description='Move VM disk(s) from one datastore to another only in OpenNebula database')
+    description='Update VM disk(s) datastore in VM TEMPLATE')
 parser.add_argument('-vi', '--vmId',
                     help='VM id or comma separated list of VM ids',
                     type=list_of_int_arg, required=True)
diff --git a/tm/3par/mv b/tm/3par/mv
index 2e7fb7b..0d551d6 100644
--- a/tm/3par/mv
+++ b/tm/3par/mv
@@ -371,7 +371,7 @@ if [ $LCM_STATE -ne 30 ] && [ "$IP" != "$PREV_IP" ] && [ "$TYPE" != "CDROM" ] &&
             exit 0
         fi
 
-        error_message "Persistent disk must be pre-synced on remote storage! Use prepare-vm-for-migrate.py helper script first."
+        error_message "Persistent disk must be pre-synced on remote storage! Use migrate-vm-to-remote-ds.py helper script."
         exit 1
     fi