Assignment 2 is a minimum 1 full page extension on Assignment 1. In your case, you just need to meet the additional requirements.
1) NEW: Assignment 2 requires 2 new goals and objectives to be added. There are no updates to your existing goals and objectives (unless provided by your instructor in Week 1 feedback)
2) NEW: Assignment 2 requires least three (3) key milestones and /or deliverables for your project. to be identified.
3) NEW: Assignment 2 requires a high level timeline with key tasks and deadlines.
4) NEW: Assignment 2 requires an estimate of overall costs and key staffing and non staffing resources.