diff --git a/doc/DISCLAIMER.md b/doc/DISCLAIMER.md
new file mode 100644
index 0000000..f3d3b03
--- /dev/null
+++ b/doc/DISCLAIMER.md
@@ -0,0 +1,3 @@
+## Configuration
+
+How to configure this app: by an admin panel, a plain file with SSH.
diff --git a/doc/DISCLAIMER_fr.md b/doc/DISCLAIMER_fr.md
new file mode 100644
index 0000000..d6b4c4f
--- /dev/null
+++ b/doc/DISCLAIMER_fr.md
@@ -0,0 +1,3 @@
+## Configuration
+
+Comment configurer cette application : via le panneau d'administration, un fichier brut en SSH.
diff --git a/doc/screenshots/jupyterlab.png b/doc/screenshots/jupyterlab.png
new file mode 100644
index 0000000..54dac35
Binary files /dev/null and b/doc/screenshots/jupyterlab.png differ
diff --git a/manifest.json b/manifest.json
index c852dcc..5c6d2b4 100644
--- a/manifest.json
+++ b/manifest.json
@@ -7,14 +7,22 @@
         "fr": "Console de code pour exécuter du code Python de manière interactive."
     },
     "version": "3.0.16~ynh1",
-    "url": "https://jupyterlab.readthedocs.io/en/stable/",
+    "url": "https://jupyter.org",
+    "upstream": {
+        "license": "BSD-3-Clause",
+        "website": "https://jupyter.org",
+        "demo": "https://mybinder.org/v2/gh/jupyterlab/jupyterlab-demo/master?urlpath=lab/tree/demo",
+        "admindoc": "https://jupyterlab.readthedocs.io/en/stable/",
+        "userdoc": "https://yunohost.org/en/app_jupyterlab",
+        "code": "https://github.com/jupyterhub/jupyterhub"
+    },
     "license": "BSD-3-Clause",
     "maintainer": {
         "name": "kay0u",
         "email": "pierre@kayou.io"
     },
     "requirements": {
-        "yunohost": ">= 4.1.7"
+        "yunohost": ">= 4.2.4"
     },
     "multi_instance": true,
     "services": [