Update README.md#44857

aaronmgillespie wants to merge 1 commit intoibm-developer-skills-network:masteribm-developer-skills-network/jbbmo-Introduction-to-Git-and-GitHub:masterfrom

aaronmgillespie:bug-fix-typoaaronmgillespie/jbbmo-Introduction-to-Git-and-GitHub-AG:bug-fix-typoCopy head branch name to clipboard