List argument for --arch in POD.

diff --git a/bin/blhc b/bin/blhc
index f99460249a9d47e728cbd28368989c364a65ed1e..61de44ef7df8bd5fb28cefe29364c9c5debd0571 100755 (executable)
--- a/bin/blhc
+++ b/bin/blhc
@@ -866,7 +866,7 @@ other important warnings. It's licensed under the GPL 3 or later.
 Force check for all +all (+pie, +bindnow) hardening flags. By default it's
 auto detected.
 
-=item B<--arch>
+=item B<--arch> I<architecture>
 
 Set the specific architecture (e.g. amd64, armel, etc.), automatically
 disables hardening flags not available on this architecture. Is detected