One more update to `CHANGES' file.
diff --git a/docs/CHANGES b/docs/CHANGES
index fc9ea9b..0edc783 100644
--- a/docs/CHANGES
+++ b/docs/CHANGES
@@ -11,6 +11,9 @@ CHANGES BETWEEN 2.5 and 2.5.1
- The stem darkening feature of the new CFF engine can now be
fine-tuned with the new `darkening-parameters' property.
+ - `ftgrid' has been updated to toggle various engines with the `H'
+ key, similar to `ftview' and `ftdiff'.
+
======================================================================