2 files changed, 6 insertions, 1 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index d8bbe5a97be..8c19c83378a 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,7 @@
+2013-12-11  Rüdiger Sonderfeld  <ruediger@c-plusplus.de>
+
+        * editfns.c (Fformat_time_string): Mention %F in the doc.
+
 2013-12-11  Martin Rudalics  <rudalics@gmx.at>
 
         * window.c (resize_frame_windows): Don't return immediately when
diff --git a/src/editfns.c b/src/editfns.c
index 8e47d1f82e4..f67b95a8e81 100644
--- a/src/editfns.c
+++ b/src/editfns.c
@@ -1723,6 +1723,7 @@ by text that describes the specified date and time in TIME:
 %c is the locale's date and time format.
 %x is the locale's "preferred" date format.
 %D is like "%m/%d/%y".
+%F is the ISO 8601 date format (like "%Y-%m-%d").
 
 %R is like "%H:%M", %T is like "%H:%M:%S", %r is like "%I:%M:%S %p".
 %X is the locale's "preferred" time format.
@@ -1741,7 +1742,7 @@ The modifiers are `E' and `O'.  For certain characters X,
 %EX is a locale's alternative version of %X;
 %OX is like %X, but uses the locale's number symbols.
 
-For example, to produce full ISO 8601 format, use "%Y-%m-%dT%T%z".
+For example, to produce full ISO 8601 format, use "%FT%T%z".
 
 usage: (format-time-string FORMAT-STRING &optional TIME UNIVERSAL)  */)
   (Lisp_Object format_string, Lisp_Object timeval, Lisp_Object universal)