diff --git a/tests/syscall_write.sl b/tests/syscall_write.sl
index f189ad0..1df9f97 100644
--- a/tests/syscall_write.sl
+++ b/tests/syscall_write.sl
@@ -31,3 +31,10 @@ word main
 
     0
 end
+
+# simplest version, works without any libraries:
+# 1
+# "hello"
+# 3
+# 1
+# syscall