fixing, improve sersors installation code
diff --git a/wally/start_vms.py b/wally/start_vms.py
index 4fd35ae..b3c141a 100644
--- a/wally/start_vms.py
+++ b/wally/start_vms.py
@@ -266,7 +266,7 @@
             names.append(name_templ.format(group=group_name, id=i))
 
         futures = []
-        logger.debug("Requesting new vms")
+        logger.debug("Requesting new vm's")
 
         for name, flt_ip in zip(names, ips):
             params = (nova, name, keypair_name, img, fl,