diff --git a/coordinator/src/main/scala/filodb.coordinator/TenantIngestionMetering.scala b/coordinator/src/main/scala/filodb.coordinator/TenantIngestionMetering.scala
index dd356dcfcc..0f02fd3383 100644
--- a/coordinator/src/main/scala/filodb.coordinator/TenantIngestionMetering.scala
+++ b/coordinator/src/main/scala/filodb.coordinator/TenantIngestionMetering.scala
@@ -43,6 +43,9 @@ case class TenantIngestionMetering(settings: FilodbSettings,
   private val METRIC_TOTAL = "total_timeseries_by_tenant"
 
   def schedulePeriodicPublishJob() : Unit = {
+    // NOTE: the FiniteDuration overload of scheduleWithFixedDelay
+    //  does not work. Unsure why, but that's why these FiniteDurations are
+    //  awkwardly parsed into seconds.
     scheduler.scheduleWithFixedDelay(
       SCHED_INIT_DELAY.toSeconds,
       SCHED_DELAY.toSeconds,