diff --git a/ChangeLog b/ChangeLog
index 59f5baae..150771f7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -5,7 +5,7 @@
 - fix a C++ warning in composite.cpp [lovell]
 - remove number of images limit in composite
 - composite allows 1 mode ... reused for all joins
-- vips_sink() has locks to prevent any threads falling too far behind
+- fix race in vips_sink() for seq read 
 
 10/12/17 started 8.6.1
 - fix mmap window new/free cycling