diff --git a/spec.html b/spec.html
index 8f186286091..aea9de301a7 100644
--- a/spec.html
+++ b/spec.html
@@ -38828,7 +38828,7 @@
1. Let _Pk_ be ! ToString(𝔽(_k_)).
1. Let _value_ be ? Get(_src_, _Pk_).
1. Let _targetIndex_ be ! ToString(𝔽(_targetOffset_ + _k_)).
- 1. Perform ! Set(_target_, _targetIndex_, _value_, *true*).
+ 1. Perform ? Set(_target_, _targetIndex_, _value_, *true*).
1. Set _k_ to _k_ + 1.