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: