diff --git a/doc/.gitkeep b/doc/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/doc/DISCLAIMER.md b/doc/DISCLAIMER.md
new file mode 100644
index 0000000..93cea42
--- /dev/null
+++ b/doc/DISCLAIMER.md
@@ -0,0 +1,9 @@
+:warning: You are invited to look at [InvoiceNinja 5](https://github.com/YunoHost-Apps/invoiceninja5_ynh) :warning:
+
+* Any known limitations, constrains or stuff not working, such as (but not limited to):
+    * There is no official LDAP support
+    * The first user gets created after installing Invoice Ninja
+    * Other users can be created from inside the application
+
+* Other infos that people should be aware of, such as:
+    * Configuration happens in the application itself.
diff --git a/doc/screenshots/.gitkeep b/doc/screenshots/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/doc/screenshots/screenshot.png b/doc/screenshots/screenshot.png
new file mode 100644
index 0000000..ddafd75
Binary files /dev/null and b/doc/screenshots/screenshot.png differ
diff --git a/manifest.json b/manifest.json
index 934020c..483eb38 100644
--- a/manifest.json
+++ b/manifest.json
@@ -7,6 +7,13 @@
     },
     "version": "4.5.43~ynh1",
     "url": "https://invoiceninja.org",
+    "upstream": {
+        "license": "AAL",
+        "website": "https://invoiceninja.org",
+        "demo": "https://app.invoiceninja.com/dashboard",
+        "admindoc": "https://docs.invoiceninja.com/index.html",
+        "code": "https://github.com/invoiceninja/invoiceninja"
+    },
     "license": "AAL",
     "maintainer": {
         "name": "Sebastian Gumprich",
@@ -14,7 +21,7 @@
         "url": "https://github.com/YunoHost-Apps/invoiceninja_ynh/"
     },
     "requirements": {
-        "yunohost": ">= 4.1.0"
+        "yunohost": ">= 4.1.3"
     },
     "multi_instance": true,
     "services": [