network-policies.md: Fix typo in broken link to enable policies
network-policies.md: Fix typo in broken link to enable policies
brancz/prometheus-operator,brancz/prometheus-operator,mmerrill3/prometheus-operator,gianrubio/prometheus-operator,eedugon/prometheus-operator,coreos/prometheus-operator,mmerrill3/prometheus-operator,brancz/prometheus-operator,eedugon/prometheus-operator,mmerrill3/prometheus-operator,jescarri/prometheus-operator,jescarri/prometheus-operator,coreos/prometheus-operator,gianrubio/prometheus-operator,gianrubio/prometheus-operator