Update frontmatter.md (#6371)
Update frontmatter.md (#6371)

Merge pull request 6371
chrisfinazzo/jekyll,Strangehill/jekyll,jekyll/jekyll,gencer/jekyll,gencer/jekyll,getandpost/jekyll.github.io,jaybe-jekyll/jekyll,tillgrallert/jekyll,gencer/jekyll,chrisfinazzo/jekyll,tillgrallert/jekyll,fulldecent/jekyll,fulldecent/jekyll,ryanshaw/jekyll,yhironaka/yhironaka.github.io,tillgrallert/jekyll,ryanshaw/jekyll,tillgrallert/jekyll,jekyll/jekyll,jaybe-jekyll/jekyll,jaybe-jekyll/jekyll,gencer/jekyll,chrisfinazzo/jekyll,jekyll/jekyll,Strangehill/jekyll,fulldecent/jekyll,Strangehill/jekyll,tillgrallert/jekyll,ryanshaw/jekyll,x-way/jekyll,x-way/jekyll,ryanshaw/jekyll,chrisfinazzo/jekyll,x-way/jekyll,Strangehill/jekyll,getandpost/jekyll.github.io,gencer/jekyll,getandpost/jekyll.github.io,fulldecent/jekyll,jekyll/jekyll,jaybe-jekyll/jekyll,x-way/jekyll,Strangehill/jekyll