You can include a caption, make edits to it, or delete the caption of a photo or video you have already shared on Instagram. To do so, follow these steps: Tap on the area above your photo or video displaying the caption. Click Edit profile Proceed to make any desired changes, delete the existing space and caption, or add a new caption to your Instagram posts. Once you have made the necessary edits, tap "Save" to save the changes to your caption.