diff --git a/doc/DISCLAIMER.md b/doc/DISCLAIMER.md
new file mode 100644
index 0000000..2314b9b
--- /dev/null
+++ b/doc/DISCLAIMER.md
@@ -0,0 +1,4 @@
+## Configuration
+
+You can configure HedgeDoc by editing this file `/var/www/hedgedoc/config.json` using the [documentation](https://github.com/hedgedoc/hedgedoc/blob/master/docs/configuration.md)  
+When you finished editing the configuration, for your changes to take effect, you will have to run: `sudo systemctl restart hedgedoc`.
diff --git a/doc/DISCLAIMER_fr.md b/doc/DISCLAIMER_fr.md
new file mode 100644
index 0000000..aefa446
--- /dev/null
+++ b/doc/DISCLAIMER_fr.md
@@ -0,0 +1,4 @@
+## Configuration
+
+Vous pouvez configurer HedgeDoc en modifiant le fichier `/var/www/hedgedoc/config.json` et en vous aidant de la [documentation](https://github.com/hedgedoc/hedgedoc/blob/master/docs/configuration.md)  
+Lorsque vous avez terminé de modifier la configuration, pour que vos modifications prennent effet, vous devrez exécuter : `sudo systemctl restart hedgedoc`.
diff --git a/doc/screenshots/screenshot.png b/doc/screenshots/screenshot.png
new file mode 100644
index 0000000..25104ad
Binary files /dev/null and b/doc/screenshots/screenshot.png differ
diff --git a/manifest.json b/manifest.json
index 6f7c41b..0b6f5a2 100644
--- a/manifest.json
+++ b/manifest.json
@@ -7,13 +7,21 @@
         "fr": "Éditeur collaboratif pour travailler sur des notes en Markdown"
     },
     "version": "1.8.2~ynh1",
-    "url": "https://github.com/hedgedoc/hedgedoc",
+    "url": "https://hedgedoc.org",
+    "upstream": {
+        "license": "free",
+        "website": "https://hedgedoc.org",
+        "demo": "https://demo.hedgedoc.org/",
+        "admindoc": "https://docs.hedgedoc.org/",
+        "userdoc": "https://yunohost.org/en/app_hedgedoc",
+        "code": "https://github.com/hedgedoc/hedgedoc"
+    },
     "license": "AGPL-3.0-only",
     "maintainer": {
         "name": "eric_G"
     },
     "requirements": {
-        "yunohost": ">= 4.1.7"
+        "yunohost": ">= 4.2.4"
     },
     "multi_instance": true,
     "services": [