Scrape?!

Im not overly worried about this but was wondering what could have caused this and if it can be harmful to the snake. It is just a scrape probably gotten from a branch I have in his tank. http://ball-pythons.net/forums/webki...000f/imagejpeg

Sorry I can't see the picture :( try uploading it to photo bucket and copy/paste the direct link into the thread :) then we can help