diff --git a/docs/reference/ChangeLog b/docs/reference/ChangeLog
index 1d4cf44a5..15446f1de 100644
--- a/docs/reference/ChangeLog
+++ b/docs/reference/ChangeLog
@@ -1,3 +1,7 @@
+2003-07-24  Matthias Clasen  <maclas@gmx.de>
+
+	* glib/tmpl/messages.sgml: Mention the restriction on message length.  (#118043, Martyn Russell)
+
 2003-07-02  Matthias Clasen  <maclas@gmx.de>
 
 	* glib/tmpl/string_utils.sgml: Document g_strfreev(NULL).
diff --git a/docs/reference/glib/tmpl/messages.sgml b/docs/reference/glib/tmpl/messages.sgml
index 0f4920384..fb9b600d0 100644
--- a/docs/reference/glib/tmpl/messages.sgml
+++ b/docs/reference/glib/tmpl/messages.sgml
@@ -10,6 +10,10 @@ These functions provide support for logging error messages or messages
 used for debugging.
 </para>
 
+<para>
+Note that the formatted messages must not exceed 1024 bytes. Longer messages will be truncated. 
+</para>
+
 <para>
 There are several built-in levels of messages, defined in #GLogLevelFlags.
 These can be extended with user-defined levels.