Changed footer on README#918

charlesdmg-hash wants to merge 1 commit intoibm-developer-skills-network:mainibm-developer-skills-network/mcino-Introduction-to-Git-and-GitHub:mainfrom

charlesdmg-hash:bug-fix-typocharlesdmg-hash/mcino-Introduction-to-Git-and-GitHub:bug-fix-typoCopy head branch name to clipboard