diff --git a/etc/NEWS b/etc/NEWS
index 3bb88da43a3..c34ed537ea7 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -89,6 +89,10 @@ indentation, which can be adjusted via ad-hoc indentation rules.
 
 * Incompatible Lisp Changes in Emacs 23.3
 
+** posn-col-row now excludes the header line from the row count
+If the frame has a header line, posn-col-row will count row numbers
+starting from the first line of text below the header line.
+
 
 * Lisp changes in Emacs 23.3