diff --git a/doc/APIchanges b/doc/APIchanges
index 79869113a8..d7ce15ffcc 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -16,7 +16,7 @@ API changes, most recent first:
 2011-08-20 - xxxxxx - lavu 51.13.0
   Add av_get_media_type_string().
 
-2011-08-14 - xxxxxx - lavu 52.12.0
+2011-08-14 - xxxxxx - lavu 51.12.0
   Add av_fifo_peek2(), deprecate av_fifo_peek().
 
 2011-08-xx - xxxxxxx - lavf 53.4.0