diff --git a/docs/iris/src/whatsnew/contributions_3.0.0/newfeature_2019-Nov-21_netcdf_ancillary_data.txt b/docs/iris/src/whatsnew/contributions_3.0.0/newfeature_2019-Nov-21_netcdf_ancillary_data.txt
index 3d17ce3dd4..26f01c16c2 100644
--- a/docs/iris/src/whatsnew/contributions_3.0.0/newfeature_2019-Nov-21_netcdf_ancillary_data.txt
+++ b/docs/iris/src/whatsnew/contributions_3.0.0/newfeature_2019-Nov-21_netcdf_ancillary_data.txt
@@ -1,2 +1,2 @@
-* CF Ancillary Variables are now loaded from and saved to netcdf-CF files.
+* CF Ancillary Variables are now loaded from and saved to netcdf-CF files. Support for `quality flags <https://cfconventions.org/Data/cf-conventions/cf-conventions-1.8/cf-conventions.html#flags>`_ is also provided to ensure they load and save with appropriate units.