diff --git a/winsup/cygwin/release/3.0 b/winsup/cygwin/release/3.0
index 907405a05..4cd422a56 100644
--- a/winsup/cygwin/release/3.0
+++ b/winsup/cygwin/release/3.0
@@ -63,6 +63,8 @@ What changed:
 
 - Cygwin PIDs have been decoupled from Windows PID.  Cygwin PIDs are
   now incrementally dealt in the range from 2 up to 65535, POSIX-like.
+  Native Windows processes not started by Cygwin processes are mapped
+  into the range beyond 65535.
 
 
 Bug Fixes
diff --git a/winsup/doc/new-features.xml b/winsup/doc/new-features.xml
index 4bbf5fbd0..6801e3eeb 100644
--- a/winsup/doc/new-features.xml
+++ b/winsup/doc/new-features.xml
@@ -103,6 +103,8 @@ Creating a token from scratch and Cygwin LSA authentication package.
 <listitem><para>
 Cygwin PIDs have been decoupled from Windows PID.  Cygwin PIDs are now
 incrementally dealt in the range from 2 up to 65535, POSIX-like.
+Native Windows processes not started by Cygwin processes are mapped
+into the range beyond 65535.
 </para></listitem>
 
 </itemizedlist>