diff --git a/xml/System.Net.Sockets/UnixDomainSocketEndPoint.xml b/xml/System.Net.Sockets/UnixDomainSocketEndPoint.xml
index 1a591aa5803..ea42d44b0ab 100644
--- a/xml/System.Net.Sockets/UnixDomainSocketEndPoint.xml
+++ b/xml/System.Net.Sockets/UnixDomainSocketEndPoint.xml
@@ -47,6 +47,11 @@
The path to connect a unix domain socket over.
Initializes a new instance of the with the file path to connect a unix domain socket over.
To be added.
+
+ is .
+
+ is of an invalid length for use with domain sockets on this platform. The length must be between 1 and the allowed native path length.
+ The current OS does not support Unix Domain Sockets.