Editorial: Convert the preambles of the SortCompare operations

... to the 'standard' form introduced in PR tc39#1914.

spec.html

@@ -34361,7 +34361,7 @@ <h1>Array.prototype.sort ( _comparefn_ )</h1>
 
         <emu-clause id="sec-sortcompare" aoid="SortCompare">
           <h1>Runtime Semantics: SortCompare ( _x_, _y_ )</h1>
-          <p>The SortCompare abstract operation is called with two arguments _x_ and _y_. It also has access to the _comparefn_ argument passed to the current invocation of the `sort` method. The following steps are taken:</p>
+          <p>The abstract operation SortCompare takes arguments _x_ and _y_. It also has access to the _comparefn_ argument passed to the current invocation of the `sort` method. It performs the following steps when called:</p>
           <emu-alg>
             1. If _x_ and _y_ are both *undefined*, return *+0*.
             1. If _x_ is *undefined*, return 1.
@@ -35524,8 +35524,8 @@ <h1>%TypedArray%.prototype.sort ( _comparefn_ )</h1>
           1. Let _len_ be _obj_.[[ArrayLength]].
         </emu-alg>
         <p>The implementation-defined sort order condition for exotic objects is not applied by %TypedArray%`.prototype.sort`.</p>
-        <p>The following version of SortCompare is used by %TypedArray%`.prototype.sort`. It performs a numeric comparison rather than the string comparison used in <emu-xref href="#sec-array.prototype.sort"></emu-xref>. SortCompare has access to the _comparefn_ and _buffer_ values of the current invocation of the `sort` method.</p>
-        <p>When the TypedArray SortCompare abstract operation is called with two arguments _x_ and _y_, the following steps are taken:</p>
+        <p>The following version of SortCompare is used by %TypedArray%`.prototype.sort`. It performs a numeric comparison rather than the string comparison used in <emu-xref href="#sec-array.prototype.sort"></emu-xref>.</p>
+        <p>The abstract operation TypedArraySortCompare takes arguments _x_ and _y_. It also has access to the _comparefn_ and _buffer_ values of the current invocation of the `sort` method. It performs the following steps when called:</p>
         <emu-alg>
           1. Assert: Both Type(_x_) and Type(_y_) are Number or both are BigInt.
           1. If _comparefn_ is not *undefined*, then