The incident happened at an apartment complex on the 25600 block of Quail Run at about 10 p.m. Tuesday.
The Orange County Sheriff's Department said that a man who lives in the complex was cleaning his gun when a single round discharged.
Laurie Horton said she was making a scrapbook for her granddaughter, when she heard a loud pop. She didn't see the bullet hole in her wall right away, but she did realize something had caused her forehead to bleed.
Officials say the bullet pierced the wall between Horton and her neighbor's condos. The round didn't go into Horton's apartment - only a small piece of shrapnel doctors were able to remove at an area hospital.
Horton says she feels extremely lucky the wound was so minor and will heal. She says she opposes gun ownership because accidents like this can happen. However, she doesn't have any hard feelings toward her neighbor.
The Orange County Sheriff's Department says the man who was cleaning his gun will not face any criminal charges.