amr.4: Add missing .Bd

diff --git a/share/man/man4/amr.4 b/share/man/man4/amr.4
index 8ddc092..32c3bfc 100644 (file)
--- a/share/man/man4/amr.4
+++ b/share/man/man4/amr.4
@@ -40,6 +40,7 @@ kernel configuration file:
 .Ed
 .Pp
 To compile in debugging code:
+.Bd -ragged -offset indent
 .Cd options AMR_DEBUG=x # x=3 is maximum verbosity
 .Ed
 .Pp