To edit the comments or replies that you've posted, please follow these steps:

1. Click the "three dots" button located at the top right of your comment or reply.

2. Select the "Edit" option.

3. Make the necessary changes to your comment or reply.

4. Click the "Send" button on the right side to save your edits.

However, remember that if your comment is too long, only the first three lines will be visible initially, so don't forget to scroll down!