Revert the typo and submit a pull request#3132

FrankieVara wants to merge 2 commits intoibm-developer-skills-network:mainibm-developer-skills-network/mcino-Introduction-to-Git-and-GitHub:mainfrom

FrankieVara:mainFrankieVara/mcino-Introduction-to-Git-and-GitHub:mainCopy head branch name to clipboard