diff --git a/docs/reference/ChangeLog b/docs/reference/ChangeLog
index 534f9f95f..f6db2cbf7 100644
--- a/docs/reference/ChangeLog
+++ b/docs/reference/ChangeLog
@@ -1,3 +1,8 @@
+2003-05-28  Matthias Clasen  <maclas@gmx.de>
+
+	* glib/tmpl/string_utils.sgml: Document that g_strdup() and
+	g_strndup() accept NULL.  (#106987, Christian Biere)
+
 2003-04-18  Matthias Clasen  <maclas@gmx.de>
 
 	* gobject/tmpl/signals.sgml: Correct the documentation
diff --git a/docs/reference/glib/tmpl/string_utils.sgml b/docs/reference/glib/tmpl/string_utils.sgml
index 463b1f873..b64d6c7aa 100644
--- a/docs/reference/glib/tmpl/string_utils.sgml
+++ b/docs/reference/glib/tmpl/string_utils.sgml
@@ -27,6 +27,7 @@ in order to use the printf() functions.
 <!-- ##### FUNCTION g_strdup ##### -->
 <para>
 Duplicates a string.
+If @str is %NULL it returns %NULL.
 The returned string should be freed when no longer needed.
 </para>
 
@@ -39,6 +40,7 @@ The returned string should be freed when no longer needed.
 Duplicates the first @n characters of a string, returning a newly-allocated
 buffer @n + 1 characters long which will always be nul-terminated.
 If @str is less than @n characters long the buffer is padded with nuls.
+If @str is %NULL it returns %NULL.
 The returned value should be freed when no longer needed.
 </para>