There’s no need to change the macro at all Chime Shot replaces Arcane Shot automatically so you don’t need to code it manually.
Optimized the macro a bit though.
#showtooltip
/cancelaura Aspect of the Turtle
/stopmacro [channeling:Rapid Fire]
/petattack
/cast Arcane Shot
/cast Dreadfire Vessel
/use [@pettarget]Claw
/use [@pettarget]Bite
/use [@pettarget]Smack
For talents where the talented version doesn’t automatically replace the base version you do this: