diff --git a/nifi-framework-bundle/nifi-framework-extensions/nifi-provenance-repository-bundle/nifi-persistent-provenance-repository/pom.xml b/nifi-framework-bundle/nifi-framework-extensions/nifi-provenance-repository-bundle/nifi-persistent-provenance-repository/pom.xml
index bb7feecbbf6f..3441edf1bb4a 100644
--- a/nifi-framework-bundle/nifi-framework-extensions/nifi-provenance-repository-bundle/nifi-persistent-provenance-repository/pom.xml
+++ b/nifi-framework-bundle/nifi-framework-extensions/nifi-provenance-repository-bundle/nifi-persistent-provenance-repository/pom.xml
@@ -51,5 +51,9 @@
             <artifactId>lucene-backward-codecs</artifactId>
             <scope>runtime</scope>
         </dependency>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+        </dependency>
     </dependencies>
 </project>
diff --git a/nifi-framework-bundle/nifi-framework-extensions/nifi-provenance-repository-bundle/nifi-persistent-provenance-repository/src/main/java/org/apache/nifi/provenance/store/WriteAheadStorePartition.java b/nifi-framework-bundle/nifi-framework-extensions/nifi-provenance-repository-bundle/nifi-persistent-provenance-repository/src/main/java/org/apache/nifi/provenance/store/WriteAheadStorePartition.java
index 1ccc25beb289..0e2a2d1c7a98 100644
--- a/nifi-framework-bundle/nifi-framework-extensions/nifi-provenance-repository-bundle/nifi-persistent-provenance-repository/src/main/java/org/apache/nifi/provenance/store/WriteAheadStorePartition.java
+++ b/nifi-framework-bundle/nifi-framework-extensions/nifi-provenance-repository-bundle/nifi-persistent-provenance-repository/src/main/java/org/apache/nifi/provenance/store/WriteAheadStorePartition.java
@@ -17,6 +17,7 @@
 
 package org.apache.nifi.provenance.store;
 
+import org.apache.commons.lang3.time.DurationFormatUtils;
 import org.apache.nifi.events.EventReporter;
 import org.apache.nifi.provenance.ProvenanceEventRecord;
 import org.apache.nifi.provenance.RepositoryConfiguration;
@@ -498,10 +499,12 @@ public void purgeOldEvents(final long olderThan, final TimeUnit unit) {
             .filter(this::delete)
             .collect(Collectors.toList());
 
+        String thresholdWords = DurationFormatUtils.formatDurationWords(olderThan, true, true);
+
         if (removed.isEmpty()) {
-            logger.debug("No Provenance Event files that exceed time-based threshold of {} {}", olderThan, unit);
+            logger.debug("No Provenance Event files that exceed time-based threshold of {}", thresholdWords);
         } else {
-            logger.info("Purged {} Provenance Event files from Provenance Repository because the events were older than {} {}: {}", removed.size(), olderThan, unit, removed);
+            logger.info("Purged {} Provenance Event files from Provenance Repository because the events were older than {} : {}", removed.size(), thresholdWords, removed);
         }
     }