Type anything in the 'Type something' field to make the hidden area appear.
Find the word directly below the level 4 heading. And spell the word correctly in the 'The word is' field.
There's a lot hiding below
This is a heading
Done
This is also a heading
Finito
Again a heading
Stop
Maybe it is this heading
Seriously
Or possibly this heading
Alright
Surely it must be this heading
Finish
I'm getting bored of all the headings
Over
Ok, this is the last heading
Now