doc: fix output in inspector HeapProfile example

PR-URL: #29711
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>

doc/api/inspector.md

@@ -216,7 +216,7 @@ session.on('HeapProfiler.addHeapSnapshotChunk', (m) => {
 });
 
 session.post('HeapProfiler.takeHeapSnapshot', null, (err, r) => {
-  console.log('Runtime.takeHeapSnapshot done:', err, r);
+  console.log('HeapProfiler.takeHeapSnapshot done:', err, r);
   session.disconnect();
   fs.closeSync(fd);
 });