diff --git a/meta/argument_specs.yml b/meta/argument_specs.yml
index ab174740ca951759bfb2141a7c2d4bbd0138d169..b3e8fe6423fb8ad896a6797547f9b9b3663774b7 100644
--- a/meta/argument_specs.yml
+++ b/meta/argument_specs.yml
@@ -31,6 +31,10 @@ argument_specs:
         type: str
         required: true
         description: Icinga API users directory.
+      icinga_archive_keyring_deb_url:
+        type: str
+        required: true
+        description: URL of the icinga-archive-keyring package for supported distros.
       icinga_auto_generate_nodes_group:
         type: bool
         required: false
@@ -47,6 +51,11 @@ argument_specs:
         type: dict
         required: true
         description: A dictionary of default remote checks, used if host specific checks are not defined.
+      icinga_distros:
+        type: list
+        elements: str
+        required: true
+        description: A list of Debian and Ubuntu distros from the Supported Operating Systems list at https://icinga.com/subscriptions/support-matrix/.
       icinga_feature_disabled:
         type: list
         elements: str