Updated class descriptions to match new content
Updated class descriptions to match new content

anythingcodes/gdi-featured-js-intro,girldevelopit/gdi-featured-js-intro,Roenok/gdi-intro-javascript,gdirdu/gdi-intro-javascript,gdirdu/gdi-intro-javascript,jennifer-mann/gdi-intro-javascript,amandagogogo/gdicincy-intro-js,girldevelopit/gdi-featured-js-intro,jennifer-mann/gdi-intro-javascript,Roenok/gdi-intro-javascript,anythingcodes/gdi-featured-js-intro,amandagogogo/gdicincy-intro-js