fixup! Editorial: Make better use of the "Shared Data Block event" term

spec.html

@@ -49738,7 +49738,7 @@ <h1>Data Races</h1>
 
   <emu-clause id="sec-data-race-freedom">
     <h1>Data Race Freedom</h1>
-    <p>An execution _execution_ is <dfn>data race free</dfn> if there are no two Shared Data Block events in SharedDataBlockEventSet(_execution_) that are in a data race.</p>
+    <p>An execution _execution_ is <dfn>data race free</dfn> if there are no two events in SharedDataBlockEventSet(_execution_) that are in a data race.</p>
     <p>A program is data race free if all its executions are data race free.</p>
     <p>The memory model guarantees sequential consistency of all events for data race free programs.</p>
   </emu-clause>