After Effect text changes

Wrapping up a 60 second project and the client has asked for a few text changes to some of the layers. Every change is listed with a timecode. Easy and fast turnaround. Rendering the final output required. No extensive filters or custom plug-in's. Looking to grow out freelance team and this would be a good introduction. Ideally need to start today. Portfolio of example projects required and a good freelancer.com record of spotless achievement.