diff --git a/Misc/ACKS b/Misc/ACKS
index aafb51f..9f66255 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -366,6 +366,7 @@
 Johannes Gijsbers
 Michael Gilfix
 Yannick Gingras
+Michael Goderbauer
 Christoph Gohlke
 Tim Golden
 Tiago Gonçalves
diff --git a/Misc/NEWS b/Misc/NEWS
index 68998e3..72a943d 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -10,6 +10,9 @@
 Core and Builtins
 -----------------
 
+- Issue #13777: Add PF_SYSTEM sockets on OS X.
+  Patch by Michael Goderbauer.
+
 - Issue #13908: Ready types returned from PyType_FromSpec.
 
 - Issue #11235: Fix OverflowError when trying to import a source file whose