No, but you can use Textile, which is even easier! Textile is a lightweight markup language that gets converted into HTML. Here's a quick guide
on the syntax. Here are some examples
To bold something, put asterisks around your text. e.g. *I'll become bold* => I'll become bold
To emphasize something, put underscores around your text. e.g. _I'm italicized => I'm italicized
Check the reference for more tips like making lists. We've also put a handy cheatsheet on each restaurant review form - just hover over "Formatting Help" when you see it.