Related Clues:

• The tide is up and may make a change for the better
• In other words, the trains without one are behind time
• This may flow up for a change
• 'Going in and out up, tied in a knot, just for a change (4)'
• Can the ebb and flow work for a change?
• Change for a turn of the tide
• 'If the water is going the wrong way, change it (4)'
• The turn of the tide
• Polish up prose
• Check prose
• Change a sentence, say
• Change Shape?
• Change one's story for the better
• Rework a document
• Drop a line, maybe