Tutorial : Note under every post

//Assalamualaikum\\

1. Dashboard > Design > Edit HTML > tick expand widget template
2. CTRL + F and search <data:post.body/>
3. Copy and paste this code under <data:post.body/>

<hr/><center>
<b>TOKIO HOTEL RAWKS!</b>
</center><hr/>

4. Change TOKIO HOTEL RAWKS! to your own note.
5. Preview and save.

Auf wiedersehen :)