This post has become part of an ebook called, How Not to Suck at LinkedIn, where I explain this issue in lots more detail.
You can get it on Amazon Kindle if you’d like 29 other killer LinkedIn tips too.
For now, here are brief instructions for customizing your profile.
1) Hover over Profile and click Edit Profile 
2) Click on the small Edit link in your contact box
3) Look to the right of the screen and down a little to where it says, Customize your public profile URL
4) Type in your name. If it’s not available, add a middle initial, location, education or credential
