Fix grammar on readme (#1887)
Fix grammar on readme (#1887)

Thank you for your hard work on this project.
jamespearce2006/CefSharp,Livit/CefSharp,jamespearce2006/CefSharp,Livit/CefSharp,jamespearce2006/CefSharp,jamespearce2006/CefSharp,Livit/CefSharp,Livit/CefSharp,jamespearce2006/CefSharp