diff --git a/jupyternotebook/lecturefichier/test4.ipynb b/jupyternotebook/lecturefichier/test4.ipynb
index fd7eb8c..d3a789f 100644
--- a/jupyternotebook/lecturefichier/test4.ipynb
+++ b/jupyternotebook/lecturefichier/test4.ipynb
@@ -87,12 +87,9 @@
     "traitement = savgol_filter(pre_traitement, window_length=50, polyorder=5)\n",
     "\n",
     "volume = traitement[:, ::10, :]\n",
-    "#volume = np.load('Dataset/3D_Dataset_All_Wave_PY_Data/3D_Dataset_shear_Wave_Rot00.npy')\n",
     "r, c = volume[0].shape\n",
-    "# Define the number of frames based on the depth of the 3D volume\n",
     "nb_frames = volume.shape[0]\n",
     "\n",
-    "# Define the z-scale based on the number of frames\n",
     "z_scale = 6.7 / nb_frames\n",
     "\n",
     "#custom_colorscale = [(0, 'blue'), (0.5, 'cyan'), (1, 'red')]\n",
@@ -103,7 +100,7 @@
     "    cmin=0, cmax=20000,\n",
     "    colorscale='Jet'\n",
     "    ),\n",
-    "    name=str(k) # you need to name the frame for the animation to behave properly\n",
+    "    name=str(k) \n",
     "    )\n",
     "    for k in range(nb_frames)])"
    ]
@@ -114,7 +111,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# Add data to be displayed before animation starts\n",
+ 
     "fig.add_trace(go.Surface(\n",
     "    z=z_scale * nb_frames * np.ones((r, c)),\n",
     "    surfacecolor=np.flipud(volume[nb_frames - 1]),\n",