update qaoa_bo.ipynb

Author: PeilinZHENG

docs/source/tutorials/qaoa_bo.ipynb

@@ -412,7 +412,7 @@
     "    ):\n",
     "        super(TuRBO_optimizer, self).__init__(eval_func, device=device)\n",
     "        self.batch_size = (\n",
-    "            1  # There is bug in odbo.run_exp.turbo_design, batch_size can only be 1\n",
+    "            1  # There is a bug in odbo.run_exp.turbo_design, batch_size can only be 1 right now.\n",
     "        )\n",
     "        self.tr_length = tr_length\n",
     "        self.state = odbo.turbo.TurboState(\n",