diff --git a/spec.html b/spec.html
index 0d20ced207f..13512b6e596 100644
--- a/spec.html
+++ b/spec.html
@@ -8652,7 +8652,7 @@
CreateBuiltinFunction ( _steps_ [ , _additionalInternalSlotsList_ [ , _realm
1. If _realm_ is not present, set _realm_ to the current Realm Record.
1. Assert: _realm_ is a Realm Record.
1. If _prototype_ is not present, set _prototype_ to _realm_.[[Intrinsics]].[[%Function.prototype%]].
- 1. Let _internalSlotsList_ be « [[Prototype]], [[Extensible]] » and the internal slots specified in .
+ 1. Let _internalSlotsList_ be « [[Prototype]], [[Extensible]] » and the internal slots specified in or and « [[InitialName]] », as appropriate.
1. If _additionalInternalSlotsList_ is present, append each of its elements to _internalSlotsList_.
1. Let _func_ be a new built-in function object that when called performs the action described by _steps_. The new function object has internal slots whose names are the elements of _internalSlotsList_.
1. Set _func_.[[Extensible]] to *true*.