Update annotations.md (#2255)
Update annotations.md (#2255)

a typo fix
kubernetes/ingress-nginx,caicloud/ingress,aledbf/ingress-nginx,kubernetes/ingress-nginx,aledbf/ingress-nginx,canhnt/ingress,caicloud/ingress,kubernetes/ingress-nginx,canhnt/ingress,canhnt/ingress,canhnt/ingress,kubernetes/ingress-nginx,caicloud/ingress,aledbf/ingress-nginx,kubernetes/ingress-nginx,aledbf/ingress-nginx,caicloud/ingress