Instagram Help Center

You can add a caption to a photo or video you've already shared, or edit or delete the caption you originally included. To add, edit or delete a caption:

1. Tap (iPhone) or (Android) above your photo or video.
2. Tap Edit.
3. Edit, delete or add a caption to your post, then tap Done (iPhone) or (Android).

When you tap below a post, the word Edited may appear below captions that have been edited.