Have you written your own website content? Did you check for errors before hitting publish?
Errors in your written content may seem like a small issue to some, but what effect does it have on your reputation, both with your website visitors and Google? If your content is sprawled with errors you may find visitors won’t trust you and Google could demote you in their rankings.
For some common errors, and how to correct them, take a look at this infographic from Constant Contact.