Best explained with an image...
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You can modify or remove the text using a Draw Filter for the ToolbarsManager. Please see the simple sample I have attached below that demonstrates this.
If you need any further assistance with this, please let me know and I will be glad to help.
I would like to be able to add the hint text. Is that possible?
If the menu tool items do not have their Shortcut property set, we do not render the elements there.
If you want those elements rendered you could manually handle this using a Creation Filter (similar to a Draw Filter, but requires you to handle the elements in a more involved way).
Another option would be to set the Shortcut for these items and ignore the actual shortcuts.
If you decide to use a Creation Filter, I recommend familiarizing yourself with our Presentation Layer Framework (PLF). You can find information on this in our documentation for Presentation Layer Framework topics.
Please let me know if you have any further questions or concerns with this.