1) and not not intended to be used in a productive application → and not intended to be used in a production application

1.2) Add menu top level menu entry → Add a top level menu entry

Ensure the id for this menu menu is → Ensure the id for this menu is

1.3) Adding the model spy → Add the model spy

"Adding" would be ok if the other list items were in the same form, using Add instead of Adding keeps them consistent.