You can add new text, edit existing text, or delete text shown on the screen from the Script section.
Step 1: Select ‘Edit’, then head over to ‘Script’
Step 2: You can now type the text you would like to be shown in the text box, edit or delete existing text.
Step 3: Text can also be shown in different styles, as shown here.
Step 4: Click on "Apply" once you are done adding or editing your text.
Step 5: Click on the "Save changes" to save your new script.
You can now preview your video and check out the newly edited text!