diff --git a/.gitignore b/.gitignore
index 1492206..1cc6a47 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,3 +20,6 @@ tests/.pytest_cache
 # docs
 docs/_build
 docs/_templates
+
+# nbooks
+*.ipynb_checkpoints
diff --git a/docs/examples/explore_hyperparams_skopt.ipynb b/docs/examples/explore_hyperparams_skopt.ipynb
index a32bec3..396a758 100644
--- a/docs/examples/explore_hyperparams_skopt.ipynb
+++ b/docs/examples/explore_hyperparams_skopt.ipynb
@@ -205,18 +205,11 @@
     "fig = axes2fig(eval_plot)\n",
     "type(fig);"
    ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": []
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "neptunecontrib py36",
+   "display_name": "neptunecontrib_py36",
    "language": "python",
    "name": "python3"
   },
diff --git a/docs/examples/interactive_compare_experiments.ipynb b/docs/examples/interactive_compare_experiments.ipynb
index a65e150..7c5a358 100644
--- a/docs/examples/interactive_compare_experiments.ipynb
+++ b/docs/examples/interactive_compare_experiments.ipynb
@@ -186,7 +186,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "neptunecontrib py36",
+   "display_name": "neptunecontrib_py36",
    "language": "python",
    "name": "python3"
   },
diff --git a/docs/examples/local_notebooks.ipynb b/docs/examples/local_notebooks.ipynb
index cdb36e0..8c4515e 100644
--- a/docs/examples/local_notebooks.ipynb
+++ b/docs/examples/local_notebooks.ipynb
@@ -184,7 +184,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3",
+   "display_name": "neptunecontrib_py36",
    "language": "python",
    "name": "python3"
   },
diff --git a/docs/examples/project_progress.ipynb b/docs/examples/project_progress.ipynb
index 46de958..84f2e46 100644
--- a/docs/examples/project_progress.ipynb
+++ b/docs/examples/project_progress.ipynb
@@ -241,7 +241,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "neptunecontrib py36",
+   "display_name": "neptunecontrib_py36",
    "language": "python",
    "name": "python3"
   },
diff --git a/docs/examples/sync_with_json.ipynb b/docs/examples/sync_with_json.ipynb
index 273566a..fc31e54 100644
--- a/docs/examples/sync_with_json.ipynb
+++ b/docs/examples/sync_with_json.ipynb
@@ -40,7 +40,7 @@
     "Now your experiment data is safely logged to Neptune and you can easily explore it.\n",
     "Go to the [experiment link](https://app.neptune.ml/o/neptune-ml/org/neptune-examples/e/NEP-506/charts) to see for yourself!\n",
     "\n",
-    "![image_detail](https://gist.githubusercontent.com/jakubczakon/f754769a39ea6b8fa9728ede49b9165c/raw/18b476c5ba53b7f7c67f8c61eba1a22a98862f83/contrib_sync1.png)\n",
+    "![image](https://gist.githubusercontent.com/jakubczakon/f754769a39ea6b8fa9728ede49b9165c/raw/18b476c5ba53b7f7c67f8c61eba1a22a98862f83/contrib_sync1.png)\n",
     "\n",
     "![image_chart](https://gist.githubusercontent.com/jakubczakon/f754769a39ea6b8fa9728ede49b9165c/raw/18b476c5ba53b7f7c67f8c61eba1a22a98862f83/contrib_sync2.png)"
    ]
@@ -48,7 +48,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "gap",
+   "display_name": "neptunecontrib_py36",
    "language": "python",
    "name": "python3"
   },
diff --git a/docs/examples/telegram_bot.ipynb b/docs/examples/telegram_bot.ipynb
index 3358e8b..c87e556 100644
--- a/docs/examples/telegram_bot.ipynb
+++ b/docs/examples/telegram_bot.ipynb
@@ -39,9 +39,9 @@
     "\n",
     "## Talk to your bot\n",
     "\n",
-    "![image_bot1](https://gist.githubusercontent.com/jakubczakon/f754769a39ea6b8fa9728ede49b9165c/raw/2e6f056574d035c6d744fc5d89f1ed55bf155abf/contrib_bot1.png)\n",
+    "![image](https://gist.githubusercontent.com/jakubczakon/f754769a39ea6b8fa9728ede49b9165c/raw/2e6f056574d035c6d744fc5d89f1ed55bf155abf/contrib_bot1.png)\n",
     "\n",
-    "![image_bot2](https://gist.githubusercontent.com/jakubczakon/f754769a39ea6b8fa9728ede49b9165c/raw/2e6f056574d035c6d744fc5d89f1ed55bf155abf/contrib_bot2.png)"
+    "![image_plot](https://gist.githubusercontent.com/jakubczakon/f754769a39ea6b8fa9728ede49b9165c/raw/2e6f056574d035c6d744fc5d89f1ed55bf155abf/contrib_bot2.png)"
    ]
   }
  ],