Related Clues:

• Practice, as skills
• Do some editing
• Noon
• Sharpen, as a blade
• Use a strop
• Fix a text
• Straighten out
• Reword, maybe
• Make corrections
• It'll give you an edge
• It'll give you the edge
• Improve, as one's skills
• Perfect, as one's skills
• Change the Constitution
• Change, as a bill