Editorial: swap order of arguments to PrivateSet

Author: bakkot

spec.html

@@ -4108,7 +4108,7 @@ <h1>
           1. If IsPropertyReference(_V_) is *true*, then
             1. [id="step-putvalue-toobject"] Let _baseObj_ be ? ToObject(_V_.[[Base]]).
             1. If IsPrivateReference(_V_) is *true*, then
-              1. Return ? PrivateSet(_V_.[[ReferencedName]], _baseObj_, _W_).
+              1. Return ? PrivateSet(_baseObj_, _V_.[[ReferencedName]], _W_).
             1. Let _succeeded_ be ? _baseObj_.[[Set]](_V_.[[ReferencedName]], _W_, GetThisValue(_V_)).
             1. If _succeeded_ is *false* and _V_.[[Strict]] is *true*, throw a *TypeError* exception.
             1. Return.
@@ -6634,8 +6634,8 @@ <h1>
     <emu-clause id="sec-privateset" type="abstract operation">
       <h1>
         PrivateSet (
-          _P_: a Private Name,
           _O_: an Object,
+          _P_: a Private Name,
           _value_: an ECMAScript language value,
         )
       </h1>