Update app.js

app.js

@@ -1962,7 +1962,7 @@ app.get("/dataset/sample", (req, res) => {
 loadDataset();
 app.listen(PORT, '0.0.0.0', () => {
     log(`AXL Dataset Server listening on :${PORT}`, "OK");
-    log(`Model:   ${BEDROCK_MODEL_ID}`);
+    log(`Model:   ${BEDROCK_MODEL}`);
     log(`Dataset: ${DATASET_PATH}`);
     log(`RPS:     ${DEFAULT_RPS} default / ${MAX_RPS} max`);
 });