diff --git a/CHANGELOG.md b/CHANGELOG.md
index 421e9cb..e757363 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,8 +3,8 @@
 ## Unreleased
 
 - `adfToLosslessMarkdown` and `adfToPortableMarkdown` write text holding a long run of `*`, `_`, `~`
-  or backticks, or a heading ending in a long run of `#`, in time linear in the run, where a run of
-  20000 `*` took seconds.
+  or backticks, or a heading ending in a long run of `#`, in time linear in the run: a run of 20000
+  `*` took seconds before, and now takes milliseconds.
 - **Breaking:** a list whose bullet character or ordered delimiter changes reads as two lists, as
   CommonMark reads it: `- a` then `* b`, `1. a` then `1) b`. `adfToLosslessMarkdown` gives a list
   right after one of its kind the other marker, `* ` or `1)`, in place of the `::listBreak`