Imagine commenting on someone's world about a bakery experience you once had: "Yesterday, I had the tasiest cupcake ever!" Then imagine, to your horror, that the next day you notice you spelled "tastiest" wrong. You could delete the comment and start again, or you could use our just-released editing feature to make it right.
Consider this feature in beta. Please report any problems here. Enjoy! Special thanks to massin for creating this feature.