diff --git a/envoy/config/retry/other_priority/other_priority_config.proto b/envoy/config/retry/other_priority/other_priority_config.proto
index 01134176..699435bf 100644
--- a/envoy/config/retry/other_priority/other_priority_config.proto
+++ b/envoy/config/retry/other_priority/other_priority_config.proto
@@ -21,6 +21,9 @@ package envoy.config.retry.other_priority;
 // Attempt 3: P0 (no healthy priorities, reset)
 // Attempt 4: P2
 //
+// In the case of all upstream hosts being unhealthy, no adjustments will be made to the original
+// priority load, so behavior should be identical to not using this plugin.
+//
 // Using this PriorityFilter requires rebuilding the priority load, which runs in O(# of
 // priorities), which might incur significant overhead for clusters with many priorities.
 message OtherPriorityConfig {