adding missing trailing ' in alertmanager example (#817)
adding missing trailing ' in alertmanager example (#817)


du2016/prometheus-docs,chosenken/docs,ddfreyne/prometheus-docs,ddfreyne/prometheus-docs,chosenken/docs,prometheus/docs,chosenken/docs,du2016/prometheus-docs,du2016/prometheus-docs,ddfreyne/prometheus-docs,ddfreyne/prometheus-docs,chosenken/docs,prometheus/docs,prometheus/docs