diff --git a/tutorials/02-recording-animal-trajectory.ipynb b/tutorials/02-recording-animal-trajectory.ipynb
index 38223539e54a0c245cb6af9920000913cfa178b5..cc29212c1b636a71092f1d45d606e629e5b06e95 100644
--- a/tutorials/02-recording-animal-trajectory.ipynb
+++ b/tutorials/02-recording-animal-trajectory.ipynb
@@ -161,6 +161,38 @@
     "mytraj.to_csv(csvtrajfile)\n",
     "mytraj.head()"
    ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### From csv to navipy\n",
+    "\n",
+    "Navipy can read csv files with 7 columns and a two line headers\n",
+    "\n",
+    "<table>\n",
+    "<tr>\n",
+    "<td>location</td>\n",
+    "<td>location</td>\n",
+    "<td>location</td>\n",
+    "<td>rzyx</td>\n",
+    "<td>rzyx</td>\n",
+    "<td>rzyx</td>\n",
+    "</tr>\n",
+    "<tr>\n",
+    "<td>x</td>\n",
+    "<td>y</td>\n",
+    "<td>z</td>\n",
+    "<td>alpha_0</td>\n",
+    "<td>alpha_1</td>\n",
+    "<td>alpha_2</td>\n",
+    "</tr>\n",
+    "</table>\n",
+    "\n",
+    "But you may have csv file with a different format.\n",
+    "\n",
+    "Here we are going to show, how to convert your csv file format to the one required by navipy"
+   ]
   }
  ],
  "metadata": {
@@ -179,7 +211,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.6.5"
+   "version": "3.6.3"
   }
  },
  "nbformat": 4,
diff --git a/tutorials/03-rendering-along-trajectory.ipynb b/tutorials/03-rendering-along-trajectory.ipynb
index 78d65e14356798178df61d00b63e4ccdbf7ce21f..29a7a5abb76e30c86a2d1d6b4ad880af0bf4b136 100644
--- a/tutorials/03-rendering-along-trajectory.ipynb
+++ b/tutorials/03-rendering-along-trajectory.ipynb
@@ -162,7 +162,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.6.5"
+   "version": "3.6.3"
   }
  },
  "nbformat": 4,