doc correct  spelling error (#6050)
doc correct  spelling error (#6050)

Merge pull request 6050
tomjohnson1492/jekyll,alex-kovac/jekyll,gencer/jekyll,chrisfinazzo/jekyll,alex-kovac/jekyll,gencer/jekyll,chrisfinazzo/jekyll,tillgrallert/jekyll,jaybe-jekyll/jekyll,fulldecent/jekyll,jaybe-jekyll/jekyll,ryanshaw/jekyll,jekyll/jekyll,x-way/jekyll,Strangehill/jekyll,tillgrallert/jekyll,fulldecent/jekyll,Strangehill/jekyll,jekyll/jekyll,jekyll/jekyll,rasa2011/rasa2011.github.io,alex-kovac/jekyll,jaybe-jekyll/jekyll,fulldecent/jekyll,yhironaka/yhironaka.github.io,tomjohnson1492/jekyll,ryanshaw/jekyll,tillgrallert/jekyll,chrisfinazzo/jekyll,x-way/jekyll,gencer/jekyll,Strangehill/jekyll,x-way/jekyll,gencer/jekyll,rasa2011/rasa2011.github.io,ryanshaw/jekyll,Strangehill/jekyll,tomjohnson1492/jekyll,fulldecent/jekyll,tillgrallert/jekyll,rasa2011/rasa2011.github.io,getandpost/jekyll.github.io,chrisfinazzo/jekyll,tillgrallert/jekyll,jaybe-jekyll/jekyll,getandpost/jekyll.github.io,tomjohnson1492/jekyll,tomjohnson1492/jekyll,alex-kovac/jekyll,gencer/jekyll,x-way/jekyll,ryanshaw/jekyll,alex-kovac/jekyll,getandpost/jekyll.github.io,jekyll/jekyll,Strangehill/jekyll