diff --git a/doc/APIchanges b/doc/APIchanges
index faa1698684..853975e76d 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -13,7 +13,7 @@ libavutil:   2011-04-18
 
 API changes, most recent first:
 
-2011-xx-xx - xxxxxxx - lavc 53.4.0 - AVCodecContext.request_sample_fmt
+2011-05-18 - 64150ff - lavc 53.4.0 - AVCodecContext.request_sample_fmt
   Add request_sample_fmt field to AVCodecContext.
 
 2011-05-10 - 188dea1 - lavc 53.3.0 - avcodec.h