diff --git a/02_Noise2Void/exercise.ipynb b/02_Noise2Void/exercise.ipynb
index 47383fc..b958e8b 100644
--- a/02_Noise2Void/exercise.ipynb
+++ b/02_Noise2Void/exercise.ipynb
@@ -368,8 +368,8 @@
     "    patch_size=[64, 64],\n",
     "    batch_size=128,\n",
     "    num_epochs=10,\n",
-    "    roi_size=3,\n",
-    "    masked_pixel_percentage=0.05,\n",
+    "    roi_size=11,\n",
+    "    masked_pixel_percentage=0.2,\n",
     "    logger=\"tensorboard\"\n",
     ")"
    ]
diff --git a/04_DenoiSplit/exercise.ipynb b/04_DenoiSplit/exercise.ipynb
index 7fc1f18..b082bc2 100644
--- a/04_DenoiSplit/exercise.ipynb
+++ b/04_DenoiSplit/exercise.ipynb
@@ -796,7 +796,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "a6ebb523",
+   "id": "45eeef87",
    "metadata": {},
    "source": [
     "<hr style=\"height:2px;\"><div class=\"alert alert-block alert-success\"><h1>End of the exercise</h1>\n",