docs: small fixes on lxc.
docs: small fixes on lxc.

guilhermebr/tsuru,guilhermebr/tsuru,4eek/tsuru,mderaldo/tsuru,kgrvamsi/tsuru,mderaldo/tsuru,ArxdSilva/tsuru,Endika/tsuru,ggarnier/tsuru,hcxiong/tsuru,ArxdSilva/tsuru,RichardKnop/tsuru,4eek/tsuru,cgvarela/tsuru,jblancett/tsuru,tsuru/tsuru,tuxmonteiro/tsuru,cgvarela/tsuru,ggarnier/tsuru,mderaldo/tsuru,tuxmonteiro/tsuru,cezarsa/tsuru,ArxdSilva/tsuru,cezarsa/tsuru,hugoantunes/tsuru,firebitsbr/tsuru,tsuru/tsuru,tsuru/tsuru,cezarsa/tsuru,Endika/tsuru,Endika/tsuru,RichardKnop/tsuru,gwmoura/tsuru,guilhermebr/tsuru,hcxiong/tsuru,ggarnier/tsuru,firebitsbr/tsuru,kgrvamsi/tsuru,hcxiong/tsuru,firebitsbr/tsuru,ArxdSilva/tsuru,ggarnier/tsuru,jblancett/tsuru,cgvarela/tsuru,4eek/tsuru,tsuru/tsuru,jblancett/tsuru,hugoantunes/tsuru,tuxmonteiro/tsuru,gciotta/tsuru,gciotta/tsuru,guilhermebr/tsuru,gwmoura/tsuru,kgrvamsi/tsuru,cezarsa/tsuru,gciotta/tsuru,RichardKnop/tsuru,gwmoura/tsuru