Help Please (Internet Explorer)

[Joeiss]

I went to this bodybuilding supplement website, and browsed in a couple of sections. I do not want my parents to know that I am thinking about purchasing some supplements. My obly problem is that now whenever I type "n", in the searchbar, the website name pops up!

I do not want my parents finding this out, so is there a way to delete these things? Thanks in advance.