diff --git a/man/mu-init.1 b/man/mu-init.1
index 66aea7f0..1a6f7313 100644
--- a/man/mu-init.1
+++ b/man/mu-init.1
@@ -44,7 +44,7 @@ which were merely seen in mailing list messages.
 
 \fI<my-email-address>\fR can be either a plain e-mail address (such as
 \fBfoo@example.com\fR), or a regular-expression (of the 'Basic POSIX'
-flavor), wrapped in \B/\fR (such as \B/foo-.*@example\\.com\fR).
+flavor), wrapped in \fB/\fR (such as \fB/foo-.*@example\\.com/\fR).
 
 .SH ENVIRONMENT