You can edit a custom question from the RFP Details.
In New Experience > RFP Details:
1. Begin by selecting your RFP on the All RFPs and Bookings page.
2. Click the RFP Details tab and scroll down until you see Custom Questions. Click Edit.
3. Select the three dots on the far right corner of the question you want to edit. Select Edit to make changes.
4. Once you have made the necessary changes to your question, click Update question.