::Don't worry, you seem to be able to use the tildes perfectly. I'll explain anyway though. When you've finished typing what you want to say into the edit box on a talk  page, typing four tildes, which should look like this 
 :::~~~~  
 ::will produce your username, and the time and date, when the "save page" button is pressed. You did it perfectly on your post that ended "I just want accurate information about the guys to be represented".