The max character length per line on this section is 57, after that the text will continue to the next line below. So for example, after the 57, is typed in the first line, the words that come after will appear on the next line.

• One ingredient
• One computer
• The will of 10 thousand men

After you type 148 characters a new line will start in this section, so if you're typing out your recipe be mindful of how much you have typed. For ! example, in this post I used the exclamation point as the indicator of where the new line starts, so you'll have a bit of an idea of how much you can fit on each line. It seems now, however, that the page is doing this automatically so there is no reason to worry about keeping track of your character limits.