diff --git a/man2/socket.2 b/man2/socket.2
index 50fa24ce9..c20d21616 100644
--- a/man2/socket.2
+++ b/man2/socket.2
@@ -124,6 +124,11 @@ T{
 T}:T{
 Interface to kernel crypto API
 T}
+T{
+.B AF_XDP
+T}:T{
+XDP (express data path) interface
+T}
 .TE
 .PP
 The socket has the indicated
@@ -393,6 +398,13 @@ protocol type was added in Linux 2.6.38.
 More information on this interface is provided with the kernel HTML
 documentation at
 .IR https://www.kernel.org/doc/htmldocs/crypto\-API/User.html .
+.PP
+The
+.B AF_XDP
+protocol type was added in Linux 4.18.
+More information on this interface is provided with the kernel
+documentation at
+.IR https://www.kernel.org/doc/html/latest/networking/af_xdp.html .
 .SH EXAMPLE
 An example of the use of
 .BR socket ()