diff --git a/libs/test-foreign.scm b/libs/test-foreign.scm
index c9d82870..1bb20abf 100644
--- a/libs/test-foreign.scm
+++ b/libs/test-foreign.scm
@@ -1,3 +1,5 @@
+;; Unit tests for the (cyclone foreign) module.
+;;
 (import 
   (scheme base) 
   (scheme write)