Typo and formatting fix
Typo and formatting fix

udacity/ud867,SethsApps/ud867,KarthicK10/AND_Project_4_BuildItBigger,Sushant-M/Joke_Telling_App,KarthicK10/AND_Project_4_BuildItBigger,Sushant-M/Joke_Telling_App,udacity/ud867,SethsApps/ud867