diff --git a/notebook/batching_performance.ipynb b/notebook/batching_performance.ipynb
index 1dcd97c..03df1a2 100644
--- a/notebook/batching_performance.ipynb
+++ b/notebook/batching_performance.ipynb
@@ -6,7 +6,9 @@
    "source": [
     "# Transformers Batching Performance Testing\n",
     "\n",
-    "This notebook is intended for testing the pseudonymization performance for different transformers batch sizes."
+    "This notebook is intended for testing the pseudonymization performance for different transformers batch sizes.\n",
+    "\n",
+    "Make sure to disable Windows Hibernate/Sleep while testing or the result will be falsified."
    ]
   },
   {