diff --git a/README.md b/README.md
index 752020107c3ad52d0863e9c00f2c41699cda00d8..caecb8189e572479340729caf9bb7350773c6d04 100644
--- a/README.md
+++ b/README.md
@@ -30,4 +30,4 @@ docker run -ti -v $PWD:/frontend -v /nomad/nomadlab/servers/labdev-nomad/analyti
 
 docker run -ti -v $PWD:/frontend -v /nomad/nomadlab/servers/labdev-nomad/analytics/beaker:/usr/src/app -w /usr/src/app -v /nomad/nomadlab/servers/services-info:/services-info --rm node:carbon bash -c 'npm install; node app.js templateEvaluer --replacements /services-info/labtest-nomad.services.yaml --replacements /frontend/config/labtest-nomad.yaml --template /frontend/nginx.conf.in --out-file /frontend/nginx-labtest-nomad.conf'
 
-docker run -d   --restart=unless-stopped   -v /root/certs:/certs:ro   -v /nomad/nomadlab/servers/labtest-nomad/web-certs:/web-certs:ro   -v /nomad/nomadlab/servers/labtest-nomad/frontend-nginx/nginx-labtest-nomad.conf:/etc/nginx/nginx.conf:ro   -v /nomad/nomadlab/servers/labtest-nomad/frontend-nginx/www-root:/usr/share/nginx/html:ro   -v /nomad/nomadlab/servers/labtest-nomad/frontend-nginx/client_temp:/etc/nginx/client_temp   -p 80:80 -p 443:443 -p 5509:5509 --name frontendNginx nginx
+docker run -d   --restart=unless-stopped   -v /root/certs:/certs:ro   -v /nomad/nomadlab/servers/labtest-nomad/web-certs:/web-certs:ro   -v /nomad/nomadlab/servers/labtest-nomad/frontend-nginx/nginx-labtest-nomad.conf:/etc/nginx/nginx.conf:ro   -v /nomad/nomadlab/servers/labtest-nomad/frontend-nginx/www-root:/usr/share/nginx/html:ro   -v /nomad/nomadlab/servers/labtest-nomad/frontend-nginx/client_temp:/etc/nginx/client_temp  -v /nomad/nomadlab/servers/labtest-nomad/frontend-nginx/cache:/var/cache/nginx -v /nomad/nomadlab/servers/labtest-nomad/frontend-nginx/run:/var/run -p 80:80 -p 443:443 -p 5509:5509 --name frontendNginx nginx
diff --git a/www-root/userapi/demos/index.json b/www-root/userapi/demos/index.json
index 3264a1049ff44ad17a234b72ee99d6d49c473038..6791d2a14e50f3c50c2446321bf34253919d9efe 100644
--- a/www-root/userapi/demos/index.json
+++ b/www-root/userapi/demos/index.json
@@ -202,6 +202,61 @@
       "id": "creedoMain",
       "type": "demos"
     },
+    {
+      "attributes": {
+        "authors": [
+          "Christopher Bartel",
+          "Christopher Sutton",
+          "Bryan Goldsmith",
+          "Runhai Ouyang",
+          "Charles Musgrave",
+          "Luca Ghiringhelli",
+          "Matthias Scheffler"
+        ],
+        "created_at": "",
+        "description": "A tool for predicting the probability that a given chemical formula will crystallize in a perovskite structure. This prediction is made using a newly developed tolerance factor (descriptor) which makes predictions based on automatically assigned ionic radii and oxidation states. Within this notebook, you can also visualize the probability of forming perovskite for any single or double perovskite formula as a function of the cationic radii.",
+        "editLink": "/notebook-edit/data/shared/tutorialsNew/perovskite_prediction_double/perovskite_prediction_double.bkr",
+        "featured": true,
+        "isPublic": true,
+        "labels": {
+          "application_keyword": [
+            "perovskites",
+            "stability",
+            "classification"
+          ],
+          "application_section": [
+            "Crystal structure prediction"
+          ],
+          "category": [
+            "Demo"
+          ],
+          "data_analytics_method": [
+            "SISSO"
+          ],
+          "language": [
+            "python",
+            "javascript"
+          ],
+          "platform": [
+            "beaker"
+          ],
+          "reference": [
+            "arXiv preprint arXiv:1801.07700"
+          ],
+          "visualization": [
+            ""
+          ]
+        },
+        "logicalPath": "/data/shared/tutorials/perovskite_prediction_double/perovskite_prediction_double.bkr",
+        "title": "New tolerance factor for perovskite stability",
+        "top_of_list": false,
+        "updated_at": "",
+        "user_update": "November 12, 2018",
+        "username": "tutorialsNew"
+      },
+      "id": "",
+      "type": "demos"
+    },
     {
       "attributes": {
         "authors": [