diff --git a/check_process b/check_process
index 1491d01..fd048ec 100644
--- a/check_process
+++ b/check_process
@@ -19,7 +19,6 @@
 		upgrade=1	from_commit=6fb29ddc7e32549b5587405e520d46a717e5582e
 		backup_restore=1
 		multi_instance=0
-		port_already_use=0
 		change_url=1
 ;;; Options
 Email=
diff --git a/doc/DISCLAIMER.md b/doc/DISCLAIMER.md
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..60f2658
Binary files /dev/null and b/doc/screenshots/screenshot.png differ
diff --git a/manifest.json b/manifest.json
index fca9d53..b5b8c1f 100644
--- a/manifest.json
+++ b/manifest.json
@@ -8,14 +8,21 @@
     },
     "url": "http://agendav.org/",
     "license": "GPL-3.0",
-    "version": "2.2.0~ynh2",
+        "upstream": {
+        "license": "GPL-3.0",
+        "website": "http://agendav.org",
+        "demo": "https://demo.yunohost.org/agendav/",
+        "admindoc": "http://docs.agendav.org/en/2.2.0/",
+        "code": "https://github.com/agendav/agendav/"
+    },
+    "version": "2.2.0~ynh3",
     "maintainer": {
         "name": "julien",
         "email": "julien.malik@paraiso.me"
     },
     "multi_instance": false,
     "requirements": {
-        "yunohost": ">= 4.1.7"
+        "yunohost": ">= 4.2.4"
     },
     "services": [
         "nginx",