A little more info might help someone see a problem, such as where is the folder in relation to your system? How are you sharing the folder, through a Homegroup, or normal Windows system.
Have you tried changing the name back to the original for testing?
I don't have the networking experience some other folks do, but I would probably try refreshing the location, and making sure the Share Name is correct.
You said you checked the permissions and she was able to change the name without restrictions?
You might try creating a new folder to see if it is picked up.
Someone else will probably be along soon that might have better ideas.