diff --git a/doc/APIchanges b/doc/APIchanges
index 85f206f360fd805e67f0a0a6bed3d46a488ed290..9238af6396a518f7d06ce98a5daafe44df016f72 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -12,6 +12,9 @@ libavutil:   2009-03-08
 
 API changes, most recent first:
 
+2009-12-05 - r20734 - lavfi 1.12.0 - avfilter_draw_slice()
+  Add a slice_dir parameter to avfilter_draw_slice().
+
 2009-11-26 - r20611 - lavfi 1.11.0 - AVFilter
   Remove the next field from AVFilter, this is not anymore required.