XF 1.2 Can't locate templaye

I have changed the site in the past so when a user tries to register it shows up on an error page saying

In order to signup to Kings of Carnage you need to compete the application form

Once the application is completed download and install Team Speak

Click to connect to Kings of Carnage Team Speak Server
I now want to edit message cleaning it up a bit and adding some more css but for the life of me cant find the template I edited

I have checked phrases and templates and can not find if anyone can help me out with where I should look