You could launch your Profile inside the VSCO app by tapping here.
To add or edit the caption of an image tap on your Profile icon to access your Profile.
Tap on the image you wish to edit the caption for.
Tap on the Options icon at the top right of the screen and tap on Edit.
Add or edit the caption of your image.
Tap on the Check icon when you have finished.
If you aren't already a VSCO Member, we invite you to join our community and try out a free 7 day trial of the VSCO Membership.