diff --git a/manifest.json b/manifest.json
index 09eab19..1e515b4 100644
--- a/manifest.json
+++ b/manifest.json
@@ -29,6 +29,14 @@
     ],
     "arguments": {
         "install" : [
+            {
+                "name": "warning",
+                "type": "display_text",
+                "ask": {
+                    "en": "Hydrogen is still in beta phase.",
+                    "fr": "Hydrogen est encore en phase bêta."
+                }
+            },
             {
                 "name": "domain",
                 "type": "domain"