diff --git a/manifest.json b/manifest.json
index 71a5add..6535c59 100644
--- a/manifest.json
+++ b/manifest.json
@@ -5,16 +5,25 @@
         "en": "An open-source, self-hosted alternative to Slack",
         "fr": "Une alternative open-source et self-hostée à Slack"
     },
+    "url": "http://www.mattermost.org/",
     "license": "free",
-    "developer": {
+    "maintainer": {
         "name": "pmorinerie",
         "email": "kemenaran@gmail.com"
     },
     "multi_instance": "false",
+    "services": [
+        "nginx",
+        "mysql"
+    ],
+    "requirements": {
+        "mysql": ">= 5.6"
+    },
     "arguments": {
         "install" : [
             {
                 "name": "domain",
+                "type": "domain",
                 "ask": {
                     "en": "Choose a domain for Mattermost",
                     "fr": "Choisissez un domaine pour Mattermost"
@@ -23,6 +32,7 @@
             },
             {
                 "name": "public_site",
+                "type": "boolean",
                 "ask": {
                     "en": "Can guest users access this chat?",
                     "fr": "Les utilisateurs non-enregistrés peuvent-ils accéder à ce chat ?"