Fix link to default chart and fix a typo
Fix link to default chart and fix a typo

Originally submitted at
https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/6724.

Signed-off-by: Rémy Coutable <4ea0184b9df19e0786dd00b28e6daa4d26baeb3e@rymai.me>

axilleas/gitlabhq,dreampet/gitlab,jirutka/gitlabhq,stoplightio/gitlabhq,mmkassem/gitlabhq,dreampet/gitlab,axilleas/gitlabhq,axilleas/gitlabhq,jirutka/gitlabhq,iiet/iiet-git,stoplightio/gitlabhq,mmkassem/gitlabhq,dreampet/gitlab,jirutka/gitlabhq,stoplightio/gitlabhq,jirutka/gitlabhq,mmkassem/gitlabhq,iiet/iiet-git,iiet/iiet-git,dreampet/gitlab,mmkassem/gitlabhq,stoplightio/gitlabhq,axilleas/gitlabhq,iiet/iiet-git