You can edit Requirements at any point in time. Changes in Requirements will also be notified in linked Test Cases section for review.
- Select a Requirement in the Requirement tree to edit
- Edit Requirement in Properties, Resources, or Comments sections. Any changes in Requirements will be tracked in History sub-tab with date and modifier
- Click on Save button to finish editing. You have to click on Save button to commit your changes before moving to other objects, otherwise your editing will be lost.