Documentation/integrations: fix typo
Documentation/integrations: fix typo

lucasallan/rkt,lucasallan/rkt,lucasallan/rkt,rkt/rkt,kinvolk/rkt,coreos/rkt,joshix/rkt,joshix/rkt,coreos/rkt,coreos/rkt,rkt/rkt,joshix/rkt,kinvolk/rkt,joshix/rkt,rkt/rkt,lucasallan/rkt,rkt/rkt,kinvolk/rkt,kinvolk/rkt