diff --git a/man7/packet.7 b/man7/packet.7
index ed1563173..1d3f222c7 100644
--- a/man7/packet.7
+++ b/man7/packet.7
@@ -107,7 +107,9 @@ flag is passed to
 the real length of the packet on the wire is always returned,
 even when it is longer than the buffer.
 .SS Address types
-The sockaddr_ll is a device independent physical layer address.
+The
+.I sockaddr_ll
+is a device independent physical layer address.
 
 .in +4n
 .nf