You can edit or rename a field (question) that appears in a Contact Form (or Signup Page) by changing its Displayed Title (How you want it to appear in this form)
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What’s the difference?
Displayed Title: this is what someone sees when they are filling in the form or signup page.
A single field can have a different Displayed Title on each Contact Form it’s used on
You can think of a Displayed Title as an alias
Internal Title: this is the name of the field when you go to your Manage Fields page.
Steps
Select My Apps in top menu
Select the Form
You arrive on the Form’s page
Press Edit
You arrive on the Edit Form page
Press Edit next to the field you want to rename
The Edit a Field popup appears
Rename the field in the How you want the field to appear in this form text box
Press Save to close the popup
Scroll to the bottom of the page and press Save
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