or'ing -> OR'ing

src/lib/libutil/opendev.3

@@ -1,4 +1,4 @@
-.\"	$OpenBSD: opendev.3,v 1.5 1998/03/10 04:50:37 millert Exp $
+.\"	$OpenBSD: opendev.3,v 1.6 1999/05/27 16:21:00 aaron Exp $
 .\"
 .\" Copyright (c) 1996, Jason Downs.  All rights reserved.
 .\"
@@ -51,7 +51,7 @@ passed to
 The
 .Ar dflags
 are specified by
-.Em or Ns 'ing
+.Em OR Ns 'ing
 the following values:
 .Pp
 .Bd -literal -offset indent -compact