diff --git a/payload_state.h b/payload_state.h
index 64d134f..6689b8d 100644
--- a/payload_state.h
+++ b/payload_state.h
@@ -318,9 +318,17 @@
   void LoadNumResponsesSeen();
 
   // Reports metric conveying how many times updates were abandoned
-  // before an update was applied.
+  // before an update was applied. This metric is reported when an update is
+  // successfully applied.
   void ReportUpdatesAbandonedCountMetric();
 
+  // Reports metric conveying how many times updates were abandoned since
+  // the last update was applied. The difference between this metric and the
+  // previous ReportUpdatesAbandonedCountMetric() one is that this metric is
+  // reported every time an update is abandoned, as oposed to the mentioned
+  // metric that is reported once the new update was applied.
+  void ReportUpdatesAbandonedEventCountMetric();
+
   // The global state of the system.
   SystemState* system_state_;