fix alert docs
fix alert docs

bbczeuz/kapacitor,influxdb/kapacitor,titilambert/kapacitor,bbczeuz/kapacitor,titilambert/kapacitor,influxdata/kapacitor,sputnik13/kapacitor,titilambert/kapacitor,sputnik13/kapacitor,adityacs/kapacitor,alerta/kapacitor,alerta/kapacitor,bbczeuz/kapacitor,adityacs/kapacitor,muxinc/kapacitor,sputnik13/kapacitor,muxinc/kapacitor,adityacs/kapacitor,influxdata/kapacitor,influxdata/kapacitor,alerta/kapacitor,yosiat/kapacitor,yosiat/kapacitor,muxinc/kapacitor,yosiat/kapacitor,influxdb/kapacitor,influxdb/kapacitor