diff --git a/doc/APIchanges b/doc/APIchanges
index e6376ff15c..f9a1484bbc 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -14,6 +14,8 @@ libavutil:     2021-04-27
 
 API changes, most recent first:
 
+-------- 8< --------- FFmpeg 5.1 was cut here -------- 8< ---------
+
 2022-06-12 - 7cae3d8b76 - lavf 59.25.100 - avio.h
   Add avio_vprintf(), similar to avio_printf() but allow to use it
   from within a function taking a variable argument list as input.