Fine adjustment (5)
I believe the answer is:
tweak
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">fine adjustment</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 tweak that I've seen before include "Slightly shift" , "Fine tune" , "Pull and twist" , "Fine-tune, twist" , "Pinch and twist" .)