diff --git a/contrib/prometheus-exporter/service-prometheus.c b/contrib/prometheus-exporter/service-prometheus.c
index df9c7cfdf..cda557e07 100644
--- a/contrib/prometheus-exporter/service-prometheus.c
+++ b/contrib/prometheus-exporter/service-prometheus.c
@@ -301,7 +301,7 @@ const struct ist promex_st_metric_desc[ST_F_TOTAL_FIELDS] = {
 	[ST_F_ERESP]          = IST("Total number of response errors."),
 	[ST_F_WRETR]          = IST("Total number of retry warnings."),
 	[ST_F_WREDIS]         = IST("Total number of redispatch warnings."),
-	[ST_F_STATUS]         = IST("Current status of the service."),
+	[ST_F_STATUS]         = IST("Current status of the service, per state label value."),
 	[ST_F_WEIGHT]         = IST("Service weight."),
 	[ST_F_ACT]            = IST("Current number of active servers."),
 	[ST_F_BCK]            = IST("Current number of backup servers."),