diff --git a/metadata.json b/metadata.json
index decfbdf..2a101f2 100644
--- a/metadata.json
+++ b/metadata.json
@@ -3,11 +3,16 @@
   "version": "0.0.2",
   "author": "Gardouille",
   "summary": "Manage Proxmox hypervisor and KVM virtual machines or OpenVZ containers.",
-  "license": "wtfpl",
+  "license": "WTFPL",
   "source": "https://git.101010.fr/puppet/proxmox",
   "project_page": "https://git.101010.fr/puppet/proxmox",
   "issues_url": "https://git.101010.fr/puppet/proxmox/issues",
   "description": "Proxmox module",
+  "operatingsystem_support": [
+    {
+    "operatingsystem":"Debian", "operatingsystemrelease":"7.0"
+    }
+  ],
   "dependencies": [
     {"name":"puppetlabs/stdlib","version_requirement":">= 4.5.0"},
     {"name":"puppetlabs/apt","version_requirement":">= 1.7.0"}