diff --git a/src/oca/ruby/opennebula/virtual_machine.rb b/src/oca/ruby/opennebula/virtual_machine.rb
index e5c129fa57..5c1d4786f8 100644
--- a/src/oca/ruby/opennebula/virtual_machine.rb
+++ b/src/oca/ruby/opennebula/virtual_machine.rb
@@ -914,6 +914,8 @@ module OpenNebula
                     end
 
                     REMOVE_VNET_ATTRS.each do |attr|
+                        # Remove every automatically generated value
+                        # The vnet will be referenced via NAME + UNAME (if defined)
                         nic.delete_element(attr)
                     end