tweak
🇺🇸
/twiːk/
🇬🇧
/twiːk/
to gently pull or twist something
She tweaked his ear playfully.
to make small adjustments to improve something
I think you'll have to tweak these figures a little before you show them to the boss.
a quick pull or twist
She gave his ear a tweak.
a small change made to improve something
With a few tweaks this venue will be perfect.