diff --git a/Doc/lib/libmailbox.tex b/Doc/lib/libmailbox.tex
index 9c28977..97c80e9 100644
--- a/Doc/lib/libmailbox.tex
+++ b/Doc/lib/libmailbox.tex
@@ -34,7 +34,7 @@
 \begin{classdesc}{BabylMailbox}{fp}
 Access a Babyl mailbox, which is similar to an MMDF mailbox.  Mail
 messages start with a line containing only \code{'*** EOOH ***'} and
-end with a line containing only \code{'\037\014'}.
+end with a line containing only \code{'\e{}037\e{}014'}.
 \end{classdesc}