diff --git a/tutorial/part3/data_exploitability_pangeo.ipynb b/tutorial/part3/data_exploitability_pangeo.ipynb
index 8109ec9..22545ce 100644
--- a/tutorial/part3/data_exploitability_pangeo.ipynb
+++ b/tutorial/part3/data_exploitability_pangeo.ipynb
@@ -22,7 +22,7 @@
     "### Contributors\n",
     "- Alejandro Coca-Castro, The Alan Turing Institute, [acocac](https://github.com/acocac) (author)\n",
     "- Anne Fouilloux, Simula Research Laboratory (Norway), [@annefou](https://github.com/annefou)\n",
-    "- Justus Magin, UMR-LOPS CNRS(France), [@justusmagin](https://github.com/justusmagin)\n",
+    "- Justus Magin, UMR-LOPS CNRS(France), [@keewis](https://github.com/keewis)\n",
     "- Tina Odaka, UMR-LOPS Ifremer (France), [@tinaok](https://github.com/tinaok)\n",
     "\n",
     "## Introduction\n",
@@ -197,9 +197,9 @@
    "metadata": {},
    "source": [
     "Let's setup the Dask Dashboard with your new cluster, as explained in the former section (Parallel computing with Dask)\n",
+    "\n",
     "Reminder: \n",
-    "- ***If you use Dask-Gateway: just click on the link to open the dashboard into another tab. Then copy and paste the link of web site appearing to the dask lab - extension***\n",
-    "-  ...\n"
+    "- ***If you use Dask-Gateway: just click on the link to open the dashboard into another tab. Then copy and paste the link of web site appearing to the dask lab - extension***"
    ]
   },
   {
@@ -280,7 +280,10 @@
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    "metadata": {
-    "collapsed": false
+    "collapsed": false,
+    "jupyter": {
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+    }
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@@ -306,7 +309,10 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "collapsed": false
+    "collapsed": false,
+    "jupyter": {
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+    }
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@@ -359,7 +365,10 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "collapsed": false
+    "collapsed": false,
+    "jupyter": {
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+    }
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@@ -379,7 +388,10 @@
    "cell_type": "code",
    "execution_count": null,
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-    "collapsed": false
+    "collapsed": false,
+    "jupyter": {
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+    }
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@@ -413,7 +425,10 @@
    "cell_type": "code",
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-    "collapsed": false
+    "collapsed": false,
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+    }
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@@ -433,7 +448,10 @@
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+    "collapsed": false,
+    "jupyter": {
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@@ -475,7 +493,10 @@
    "cell_type": "code",
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-    "collapsed": false
+    "collapsed": false,
+    "jupyter": {
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@@ -496,7 +517,10 @@
    "cell_type": "code",
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-    "collapsed": false
+    "collapsed": false,
+    "jupyter": {
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@@ -515,7 +539,10 @@
    "cell_type": "code",
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    "metadata": {
-    "collapsed": false
+    "collapsed": false,
+    "jupyter": {
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@@ -533,7 +560,10 @@
    "cell_type": "code",
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-    "collapsed": false
+    "collapsed": false,
+    "jupyter": {
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@@ -560,7 +590,10 @@
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+    "collapsed": false,
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@@ -571,7 +604,10 @@
    "cell_type": "code",
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+    "collapsed": false,
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@@ -589,7 +625,10 @@
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@@ -600,7 +639,10 @@
    "cell_type": "code",
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+    "collapsed": false,
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@@ -621,7 +663,10 @@
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@@ -688,7 +733,7 @@
     "</li> \n",
     "        <li>Xarray's apply_ufunc is passed to each chunk of Xarray.DataArray     \n",
     "</li> \n",
-    "        <li>chunksize for stackstac is specified so that it is only chunked (sliced) in time. All datas from band, x and y are in one chunk (slice)\n",
+    "        <li>chunksize for stackstac is specified so that it is only chunked (sliced) in time. All data from band, x and y are in one chunk (slice)\n",
     "</li>         \n",
     "    </ul>\n",
     "</div>"
@@ -771,7 +816,10 @@
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@@ -783,7 +831,10 @@
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@@ -795,7 +846,10 @@
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@@ -807,7 +861,10 @@
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@@ -841,7 +901,10 @@
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@@ -852,7 +915,10 @@
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@@ -864,7 +930,10 @@
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@@ -876,7 +945,10 @@
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@@ -887,7 +959,10 @@
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@@ -906,7 +981,10 @@
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@@ -924,7 +1002,10 @@
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@@ -938,7 +1019,10 @@
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