diff --git a/src/teach/errhel.38 b/src/teach/errhel.38
index 06ac43f1..d48a3a1e 100755
--- a/src/teach/errhel.38
+++ b/src/teach/errhel.38
@@ -1,4 +1,4 @@
--*- Mode:LISP; -*-
+;;; -*- Mode:LISP; -*-
 
 (herald ERRHEL)