diff --git a/collects/unstable/scribblings/unstable.scrbl b/collects/unstable/scribblings/unstable.scrbl
index 612118654c..2c44a38210 100644
--- a/collects/unstable/scribblings/unstable.scrbl
+++ b/collects/unstable/scribblings/unstable.scrbl
@@ -106,6 +106,7 @@ Keep documentation and tests up to date.
 @include-section["custom-write.scrbl"] ;; Struct Printing
 @include-section["syntax.scrbl"]
 @include-section["../temp-c/scribblings/temp-c.scrbl"]
+@include-section["socket.scrbl"] ;; Unix Domain Sockets
 @include-section["2d.scrbl"]
 
 @;{--------}