diff --git a/index.bs b/index.bs
index 0db7444..7b342c4 100644
--- a/index.bs
+++ b/index.bs
@@ -2722,6 +2722,12 @@ The <dfn method for=IDBDatabase>transaction(|storeNames|, |mode|, |options|)</df
 
 </div>
 
+<aside class=advisement>
+  &#x1F6A7;
+  The {{IDBTransactionOptions/durability}} option is new in this edition.
+  &#x1F6A7;
+</aside>
+
 <aside class=note>
   The created |transaction| will follow the [=transaction/lifetime=]
   rules.
@@ -4959,6 +4965,13 @@ must return the [=transaction/mode=] of the [=/transaction=].
 
 The <dfn attribute for=IDBTransaction>durability</dfn> attribute's getter must return the [=transaction/durability=] of the [=/transaction=].
 
+<aside class=advisement>
+  &#x1F6A7;
+  The {{IDBTransaction/durability}} attribute is new in this edition.
+  &#x1F6A7;
+</aside>
+
+
 The <dfn attribute for=IDBTransaction>db</dfn> attribute's getter must
 return the [=database=] [=/connection=] of which this [=/transaction=]
 is a part.