Tweak (6)
I believe the answer is:
adjust
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">tweak</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for adjust that I've seen before include "Make small changes" , "Arrange, put into proper position" , "Bring small change" , "Regulate, alter by small amount" , "Change slightly to fit" .)