You have to talk to her in a way she can relate to: she is expecting to hear of a a tool that will make an instant impact on the work she now sees and perceives as "pleasing" and, as long as she assumes this, she won't understand.
Besides what you already told her, stress out that it is a tool designed to dramatically improve the workflow process: making things happen faster and with less errors.
But, anyway, why not just use git?
You have to talk to her in a way she can relate to: she is expecting to hear of a a tool that will make an instant impact on the work she now sees and perceives as "pleasing" and, as long as she assumes this, she won't understand. Besides what you already told her, stress out that it is a tool designed to dramatically improve the workflow process: making things happen faster and with less errors. But, anyway, why not just use git?