diff --git a/doc/APIchanges b/doc/APIchanges
index 02533c8a43..eb1a93b32e 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -12,6 +12,10 @@ libavutil:   2009-03-08
 
 API changes, most recent first:
 
+2010-05-01 - r23002 - lavf 52.62.0 - probe function
+  Add av_probe_input_format2 to API, it allows ignoring probe
+  results below given score and returns the actual probe score.
+
 2010-04-01 - r22806 - lavf 52.61.0 - metadata API
   Add a flag for av_metadata_set2() to disable overwriting of
   existing tags.