If you recently upgrade your rails app and you are using blueprint, you may have an issue with your links.

Due to the new way rails handles style sheets, certain blueprint styles that used to work may clash or cause strange behaviour (like all your hyperlinks suddenly having the href link itself showing up in the text of the link on the page).

To stop it delete the following lines out of your blueprint print.css file:

a:link:after, a:visited:after {
  content: " (" attr(href) ")";
  font-size: 90%;

Here is a similar question asked on stackoverflow.