Fix typo and English concordance on docs title
Fix typo and English concordance on docs title

williamroot/opps,YACOWS/opps,jeanmask/opps,YACOWS/opps,williamroot/opps,YACOWS/opps,jeanmask/opps,jeanmask/opps,opps/opps,opps/opps,williamroot/opps,opps/opps,opps/opps,jeanmask/opps,YACOWS/opps,williamroot/opps