diff --git a/iommu_in_memory_queues.adoc b/iommu_in_memory_queues.adoc
index b6626f89..b37072c2 100644
--- a/iommu_in_memory_queues.adoc
+++ b/iommu_in_memory_queues.adoc
@@ -564,7 +564,7 @@ formatted as follows:
   {bits: 9, name: 'Page Request Group Index'},
   {bits: 3, name: '0'},
   {bits: 4, name: 'Response Code'},
-  {bits: 16, name: 'Destination ID'},
+  {bits: 16, name: '0'},
 ], config:{lanes: 2, hspace:1024, fontsize:12}}
 ....
 
diff --git a/iommu_preface.adoc b/iommu_preface.adoc
index 04034561..3815fded 100644
--- a/iommu_preface.adoc
+++ b/iommu_preface.adoc
@@ -37,6 +37,7 @@ and corrections, have been made since version 1.0.0:
 * Noted that shadow stack encodings introduced by Zicfiss are reserved
   and not usable for IOMMU use.
 * Listed the fault codes reported for faults detected by Page Request.
+* Updated Fig 31 to remove the unused Destination ID field for ATS.PRGR
 
 These changes were made through PR#243 cite:[PR243].