Typos are distracting, am I rihgt? And using the wrong word can cause even more confusion then typos! :)
The graphic covers a range of grammatical and spelling mistakes. It's got the basics, such as "a lot" versus "allot" and "it's" versus "its." It also offers more advanced grammar tips, such as what a dangling modifier is and how to avoid vague pronoun antecedents.
And did you know, for instance, that "fewer" is used for objects that are quantifiable, whereas "less" is used for non-quantifiable objects? For example: "Including fewer typos in your writing will make it less confusing."