diff --git a/doc/APIchanges b/doc/APIchanges
index 74bceaae9ac4af85ba8b6c0a63153d39eccbc370..0e1530357a9c2fb64af3a9cbb5b03c71f1a1b4bb 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -53,21 +53,21 @@ API changes, most recent first:
 2011-08-20 - 69e2c1a - lavu 51.13.0
   Add av_get_media_type_string().
 
-2011-08-xx - xxxxxxx - lavc 53.13.0
+2011-09-03 - fb4ca26 - lavc 53.13.0
                        lavf 53.11.0
                        lsws  2.1.0
   Add {avcodec,avformat,sws}_get_class().
 
-2011-08-xx - xxxxxxx - lavu 51.15.0
+2011-08-03 - c11fb82 - lavu 51.15.0
   Add AV_OPT_SEARCH_FAKE_OBJ flag for av_opt_find() function.
 
 2011-08-14 - 323b930 - lavu 51.12.0
   Add av_fifo_peek2(), deprecate av_fifo_peek().
 
-2011-08-xx - 48f9e45 - lavf 53.8.0
+2011-08-16 - 48f9e45 - lavf 53.8.0
   Add avformat_query_codec().
 
-2011-08-xx - bca06e7 - lavc 53.11.0
+2011-08-16 - bca06e7 - lavc 53.11.0
   Add avcodec_get_type().
 
 2011-08-06 - 2f63440 - lavf 53.7.0