diff --git a/man7/ip.7 b/man7/ip.7
index 59f05ae37..2ea454748 100644
--- a/man7/ip.7
+++ b/man7/ip.7
@@ -78,28 +78,44 @@ An IP socket is created using
 .PP
     socket(AF_INET, socket_type, protocol);
 .PP
-Valid socket types are
+Valid socket types include
 .B SOCK_STREAM
-to open a
-.BR tcp (7)
-socket,
+to open a stream socket,
 .B SOCK_DGRAM
-to open a
-.BR udp (7)
-socket, or
+to open a datagram socket, and
 .B SOCK_RAW
 to open a
 .BR raw (7)
 socket to access the IP protocol directly.
+.PP
 .I protocol
 is the IP protocol in the IP header to be received or sent.
-The only valid values for
+Valid values for
 .I protocol
-are 0 and
+include:
+.IP \(bu 2
+0 and
 .B IPPROTO_TCP
-for TCP sockets, and 0 and
+for
+.BR tcp (7)
+stream sockets;
+.IP \(bu
+0 and
 .B IPPROTO_UDP
-for UDP sockets.
+for
+.BR udp (7)
+datagram sockets;
+.IP \(bu
+.B IPPROTO_SCTP
+for
+.BR sctp (7)
+stream sockets; and
+.IP \(bu
+.B IPPROTO_UDPLITE
+for
+.BR udplite (7)
+datagram sockets.
+.PP
 For
 .B SOCK_RAW
 you may specify a valid IANA IP protocol defined in