Certainly, there are some changes; and the user who tried to help you did not choose to inform you about it in a comment. You can always compare the version by saving a fragment of the page in two different version. Perhaps, automatic file compare can help you to see the difference you naked eye failed to see.
The link to that member profile is recorded in the history of your post, so you can always ask her/him about it in your comment. I think you can add comment on your post; the person who edited your post should get a notification.
Please see: Tadit Dash, http://www.codeproject.com/Members/taditdash
] has added v2 with his comment: "Updates in content. 3 changes had been made.". Please see: