diff --git a/etc/ChangeLog b/etc/ChangeLog
index 13aa4c593c6..161521360d8 100644
--- a/etc/ChangeLog
+++ b/etc/ChangeLog
@@ -1,3 +1,7 @@
+2006-12-16  Eli Zaretskii  <eliz@gnu.org>
+
+	* PROBLEMS: Document problems with rebasing Cygwin DLLs.
+
 2006-12-08  Michael Olson  <mwolson@gnu.org>
 
 	* ERC-NEWS: Note that the list module has been removed.
diff --git a/src/ChangeLog b/src/ChangeLog
index 6c954d5d893..2a16030f36f 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,8 @@
 2006-12-16  Eli Zaretskii  <eliz@gnu.org>
 
+	* w32fns.c (w32-window-exists-p): New function.
+	(syms_of_w32fns): Defsubr it.
+
 	* prefix-args.c [STDC_HEADERS]: Include stdlib.h.
 
 2006-12-16  Juanma Barranquero  <lekktu@gmail.com>