diff --git a/reference/mongodb/bson/timestamp.xml b/reference/mongodb/bson/timestamp.xml
index 88cc86933b..1168b5fffa 100644
--- a/reference/mongodb/bson/timestamp.xml
+++ b/reference/mongodb/bson/timestamp.xml
@@ -17,13 +17,13 @@
     The value consists of a 4-byte timestamp (i.e. seconds since the epoch) and
     a 4-byte increment.
    </para>
-   <warning>
-    <para>
+   <note>
+    <simpara>
      This is an internal MongoDB type used for replication and sharding. It is
      not intended for general date storage
      (<classname>MongoDB\BSON\UTCDateTime</classname> should be used instead).
-    </para>
-   </warning>
+    </simpara>
+   </note>
   </section>
 <!-- }}} -->