diff --git a/newlib/ChangeLog b/newlib/ChangeLog
index aaf4b530a..a536c7873 100644
--- a/newlib/ChangeLog
+++ b/newlib/ChangeLog
@@ -1,3 +1,8 @@
+2009-08-10  Jeff Johnston  <jjohnstn@redhat.com>
+
+	* libc/stdlib/wcstombs.c: Change documentation to specify size_t
+	return type instead of int.
+
 2009-07-29  Jeff Johnston  <jjohnstn@redhat.com>
 
 	* libc/stdlib/a64l.c: Fix to use 'a' instead of 'A' in calculation
diff --git a/newlib/libc/stdlib/wcstombs.c b/newlib/libc/stdlib/wcstombs.c
index 6f455ea7a..d0ef26e53 100644
--- a/newlib/libc/stdlib/wcstombs.c
+++ b/newlib/libc/stdlib/wcstombs.c
@@ -7,11 +7,11 @@ INDEX
 
 ANSI_SYNOPSIS
 	#include <stdlib.h>
-	int wcstombs(char *<[s]>, const wchar_t *<[pwc]>, size_t <[n]>);
+	size_t wcstombs(char *<[s]>, const wchar_t *<[pwc]>, size_t <[n]>);
 
 TRAD_SYNOPSIS
 	#include <stdlib.h>
-	int wcstombs(<[s]>, <[pwc]>, <[n]>)
+	size_t wcstombs(<[s]>, <[pwc]>, <[n]>)
 	char *<[s]>;
 	const wchar_t *<[pwc]>;
 	size_t <[n]>;