diff --git a/doc/DESCRIPTION.md b/doc/DESCRIPTION.md
new file mode 100644
index 0000000..04cfd65
--- /dev/null
+++ b/doc/DESCRIPTION.md
@@ -0,0 +1 @@
+Federated blogging engine, based on ActivityPub. It uses the Rocket framework, and Diesel to interact with the database. 
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diff --git a/doc/DISCLAIMER.md b/doc/DISCLAIMER.md
new file mode 100644
index 0000000..8b56d96
--- /dev/null
+++ b/doc/DISCLAIMER.md
@@ -0,0 +1,11 @@
+**Warning:** The package can take **15 to 30 minutes** to complete depending on your system configuration. **Don't intrupt the installation process while installing.**
+
+## Important points to read before installing
+1. **Plume** is still in **pre-release** stage and undergoing heavy development, so there can be **bugs**.
+1. **Plume** require a dedicated **root domain**, eg. plume.domain.tld
+1. **Plume** require a valid **certificate** installed on the domain. Yunohost can **install Letsencrypt certificate** on the domain from **admin web-interface** or through **command-line**.
+1. This package is **multi-instance** that means you can run **multiple Plume instances** on a **single server**.
+
+#### Multi-user support
+
+LDAP is activated but HTTP auth is not supported
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diff --git a/doc/screenshots/screenshot.png b/doc/screenshots/screenshot.png
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diff --git a/manifest.json b/manifest.json
index d1b6d17..e4525d5 100755
--- a/manifest.json
+++ b/manifest.json
@@ -8,6 +8,13 @@
     },
     "version": "0.6.0~ynh2",
     "url": "https://joinplu.me/",
+    "upstream": {
+        "license": "AGPL-3.0-only",
+        "website": "https://joinplu.me/",
+        "demo": "https://joinplu.me/#instances",
+        "admindoc": "https://docs.joinplu.me/",
+        "code": "https://github.com/Plume-org/Plume"
+    },
     "license": "AGPL-3.0-only",
     "maintainer": {
         "name": "yalh76"
@@ -53,7 +60,7 @@
                 "type": "boolean",
                 "ask": {
                     "en": "Is registrations open to everyone?",
-                    "fr": "Les inscriptions sont t'elles ouvertes à tout le monde?"
+                    "fr": "Les inscriptions sont t'elles ouvertes à tout le monde ?"
                 },
                 "default": false
 			}