Here are some useful links that will help you write a better tab!
Ultimate Guitar Tablature Guide.
A list of rules and recommendations on how your tabs should be formatted so that they would not only be accepted as soon as possible, but also provide the greatest value to others.
Answers to all questions about approval queue, Tab Author's levels, vetoing, and more stuff of that kind that concerns our system.
Basically a list of reasons to accept or reject a tab in the approval queue. Even if you are a seasoned contributor and are already able to evaluate others' tabs, it's worth having the guidelines on hand.
Note. It's highly recommended to read all these articles before writing your first Tab!