docs: fixed typo error.
docs: fixed typo error.

Change-Id: Ic3ec1bfb150ec932e05ba5eda43537784f1fdcda

TheQtCompany/git-repo,aosp-mirror/tools_repo,aosp-mirror/tools_repo,lipro-yocto/git-repo,TheQtCompany/git-repo,codetutil/git-repo,couchbasedeps/git-repo,codetutil/git-repo,mer-tools/git-repo,gabbayo/git-repo,gabbayo/git-repo,GerritCodeReview/git-repo,lewixliu/git-repo,GerritCodeReview/git-repo,couchbasedeps/git-repo,lipro-yocto/git-repo,lewixliu/git-repo,mer-tools/git-repo