It's a piece of your property so you can feel free to tippex at will, or write whatever you want into it! It isn't really a "legal document" in the way a contract might be. If you submit it as evidence of flying experience for the purposes of license issue, then of course it must accurately record your flying experience to date. Beyond that the aesthetics don't really matter, which I suppose explains the wide range of styles available on the market.
Last edited by taxistaxing; 2nd Jan 2013 at 20:38.
Reason: Spelling