diff --git a/guix/scripts/archive.scm b/guix/scripts/archive.scm
index 47884685848..8280a821c54 100644
--- a/guix/scripts/archive.scm
+++ b/guix/scripts/archive.scm
@@ -63,6 +63,9 @@ Export/import one or more packages from/to the store.\n"))
   (display (_ "
       --generate-key[=PARAMETERS]
                          generate a key pair with the given parameters"))
+  (display (_ "
+      --authorize        authorize imports signed by the public key on stdin"))
+  (newline)
   (display (_ "
   -e, --expression=EXPR  build the package or derivation EXPR evaluates to"))
   (display (_ "