I changed my infobox and I don't know how I did that. I can't undo it. How can I undo this?
You changed everyones by altering the template. Its ok, I know how to fix it :)
Don't worry about it Monica. The same has happened to me. The InfoBox has templates, images, etc. that are linked to other pages, so a single change can affect all those using the same templates, files, etc. If there is time during our workshop next month, I will go over templates.