diff --git a/man2/socket.2 b/man2/socket.2
index 3be1c92..491bc24 100644
--- a/man2/socket.2
+++ b/man2/socket.2
@@ -390,9 +390,8 @@ standards use AF_* everywhere.
 The
 .B AF_ALG
 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 .
+More information on this interface is provided in the kernel source file
+.IR Documentation/crypto/userspace-if.rst .
 .SH EXAMPLE
 An example of the use of
 .BR socket ()