diff --git a/notebooks/colab/jacobians_hessians_colab.ipynb b/notebooks/colab/jacobians_hessians_colab.ipynb
index b2c2e39b0..4ec371e5a 100644
--- a/notebooks/colab/jacobians_hessians_colab.ipynb
+++ b/notebooks/colab/jacobians_hessians_colab.ipynb
@@ -483,9 +483,12 @@
         "  faster = second.times[0]\n",
         "  slower = first.times[0]\n",
         "  gain = (slower-faster)/slower\n",
-        "  if gain < 0: gain *=-1 \n",
+        "  faster_desc = second_descriptor\n",
+        "  if gain < 0:\n",
+        "    gain *=-1\n",
+        "    faster_desc = first_descriptor\n",        
         "  final_gain = gain*100\n",
-        "  print(f\" Performance delta: {final_gain:.4f} percent improvement with {second_descriptor} \")\n",
+        "  print(f\" Performance delta: {final_gain:.4f} percent improvement with {faster_desc} \")\n",
         "  "
       ],
       "metadata": {
@@ -1117,4 +1120,4 @@
       "outputs": []
     }
   ]
-}
\ No newline at end of file
+}
diff --git a/notebooks/jacobians_hessians.ipynb b/notebooks/jacobians_hessians.ipynb
index 172479ae7..4e46d9111 100644
--- a/notebooks/jacobians_hessians.ipynb
+++ b/notebooks/jacobians_hessians.ipynb
@@ -252,9 +252,12 @@
         "  faster = second.times[0]\n",
         "  slower = first.times[0]\n",
         "  gain = (slower-faster)/slower\n",
-        "  if gain < 0: gain *=-1 \n",
+        "  faster_desc = second_descriptor\n",
+        "  if gain < 0:\n",
+        "    gain *=-1\n",
+        "    faster_desc = first_descriptor\n",        
         "  final_gain = gain*100\n",
-        "  print(f\" Performance delta: {final_gain:.4f} percent improvement with {second_descriptor} \")"
+        "  print(f\" Performance delta: {final_gain:.4f} percent improvement with {faster_desc} \")"
       ],
       "metadata": {
         "id": "II7r6jBtflUJ"