diff --git a/index.bs b/index.bs
index 87f5fa9f..fd1d63c4 100644
--- a/index.bs
+++ b/index.bs
@@ -10988,6 +10988,8 @@ ignore>line number</var>, <var ignore>column number</var>, |message| and
 
 1. Let |settings| be |script|'s [=script/settings object=].
 
+1. Let |timestamp| be a [=time value=] representing the current date and time in UTC.
+
 1. Let |stack| be the [=stack trace for an exception=] with the exception
    corresponding to the error being reported.
 
@@ -10995,8 +10997,11 @@ ignore>line number</var>, <var ignore>column number</var>, |message| and
 
 1. Let |entry| be a [=/map=] matching the <code>log.JavascriptLogEntry</code> production,
    with <code>level</code> set to "<code>error</code>", <code>text</code> set to
-   |message|, <code>source</code> set to |source|, and the <code>timestamp</code>
-   field set to |timestamp|.
+   |message|, <code>source</code> set to |source|, <code>timestamp</code>
+   set to |timestamp|, and the <code>stackTrace</code> field set to |stack|.
+
+1. Let |body| be a [=/map=] matching the <code>log.EntryAdded</code> production, with
+     the <code>params</code> field set to |entry|.
 
 1. Let |related navigables| be the result of [=get related navigables=] given |settings|.