diff --git a/gobblin-completeness/src/main/java/org/apache/gobblin/completeness/verifier/KafkaAuditCountVerifier.java b/gobblin-completeness/src/main/java/org/apache/gobblin/completeness/verifier/KafkaAuditCountVerifier.java
index d24603d8d54..4be9653b0fc 100644
--- a/gobblin-completeness/src/main/java/org/apache/gobblin/completeness/verifier/KafkaAuditCountVerifier.java
+++ b/gobblin-completeness/src/main/java/org/apache/gobblin/completeness/verifier/KafkaAuditCountVerifier.java
@@ -156,7 +156,8 @@ private double calculateCompleteness(String datasetName, long beginInMillis, lon
 
   /**
    * Compare source tier against reference tiers. For each reference tier, calculates percentage by srcCount/refCount.
-   *
+   * We will return the lowest value, which, in other words, we will wait until src tier catches up to all reference
+   * tiers (upto 99.9%) to mark that hour as completed.
    * @param datasetName A dataset short name like 'PageViewEvent'
    * @param beginInMillis Unix timestamp in milliseconds
    * @param endInMillis Unix timestamp in milliseconds