Delete confirmation text not showing

[joeholdcroft]

Bug description

https://www.dropbox.com/s/znzc1om1x8bu6kw/Screenshot%202014-06-11%2016.04.11.png

The text on the confirmation is showing as the translation key.

How can this be replicated?

Related Issues / Trello Card / Code?

Anything else to add? (Screenshots, background context, etc)