Update README after name change, name consistency

Change-Id: Ief4d9bf58c2f8961496e68e84ba8081090272cd2
diff --git a/xos/vsgwu.xproto b/xos/vsgwu.xproto
index ea64d77..46f0e72 100644
--- a/xos/vsgwu.xproto
+++ b/xos/vsgwu.xproto
@@ -1,16 +1,16 @@
 option name = "vSGWU";
-option verbose_name = "Virtual Serving Gateway User Plane";
+option verbose_name = "Virtual Serving Gateway -- User Plane";
 option app_label = "vsgwu";
 option kind = "vEPC";
 option legacy = "True";
 
 message VSGWUService (Service){
     option name = "VSGWUService";
-    option verbose_name = "Virtual Serving Gateway User Plane Service ";
+    option verbose_name = "Virtual Serving Gateway -- User Plane Service ";
 }
 
 message VSGWUTenant (TenantWithContainer){
      option name = "VSGWUTenant";
-     option verbose_name = "Virtual Serving Gateway User Plane Tenant";
+     option verbose_name = "Virtual Serving Gateway -- User Plane Tenant";
      required string tenant_message = 1 [help_text = "Tenant Message to Display", max_length = 254, null = False, db_index = False, blank = False];
 }