Editorial: add missing space in abstract operation header

spec.html

@@ -37900,7 +37900,7 @@ <h1>ByteListBitwiseOp ( _op_, _xBytes_, _yBytes_ )</h1>
       </emu-clause>
 
       <emu-clause id="sec-bytelistequal" aoid="ByteListEqual">
-        <h1>ByteListEqual( _xBytes_, _yBytes_ )</h1>
+        <h1>ByteListEqual ( _xBytes_, _yBytes_ )</h1>
         <p>The abstract operation ByteListEqual takes arguments _xBytes_ (a List of byte values) and _yBytes_ (a List of byte values). It performs the following steps when called:</p>
         <emu-alg>
           1. If _xBytes_ and _yBytes_ do not have the same number of elements, return *false*.