Disk Utility Error

i ran a verify disk in disk utility and got this:

Verifying volume “Macintosh HD”
Checking HFS Plus volume.
Checking Extents Overflow file.
Checking Catalog file.
Checking multi-linked files.
Checking Catalog hierarchy.
%)
Checking Extended Attributes file.
Checking volume bitmap.
Volume Bit Map needs minor repair
Checking volume information.
Invalid volume free block count
Invalid volume free block count
uld be %@ instead of %@)",2)
7447883
7447867
The volume Macintosh HD needs to be repaired.

Error: The underlying task reported failure on exit


1 HFS volume checked
Volume needs repair

im recalibrating my battery in a sec, and will be rebooting my system, but does anyone have any suggestions... ive run disk verify 3 times now and all three times i get the spinning beach ball and everything will almost freeze up and then that will pop up... idk