diff --git a/test_program.crf b/test_program.crf
index 83ee662..be958af 100644
--- a/test_program.crf
+++ b/test_program.crf
@@ -11,3 +11,5 @@ eval x = case x of
 reval x = case x of
    This => 123 
    That => 123
+
+-- test comment