If figure that I can help people who are new to forum so here's so guide to improve your text:
1.first put [Size=20] you can create this with any number after=
2.second put a space and type in any sentence you want
3.finally space again and put [ /size] don't do a space before/.
1.put [poll name=you guys] you can name it any title you want
2. Then click the return button to put in chooses (before putting choice put - then space) example:
3.finish off with [/poll]
It should look like this