diff --git a/modules/dependencies.nix b/modules/dependencies.nix
index 9397db10..9cc6687a 100644
--- a/modules/dependencies.nix
+++ b/modules/dependencies.nix
@@ -54,6 +54,9 @@ in
           };
         }
       );
+      description = ''
+        A set of dependency packages, used internally to construct the `dependencies.<name>` options.
+      '';
       default = { };
       internal = true;
       visible = false;
diff --git a/test b/test
new file mode 100644
index 00000000..e69de29b