diff --git a/l3kernel/CHANGELOG.md b/l3kernel/CHANGELOG.md
index 4b4f9cf4f7..8ff67bbe61 100644
--- a/l3kernel/CHANGELOG.md
+++ b/l3kernel/CHANGELOG.md
@@ -17,8 +17,8 @@ this project uses date-based 'snapshot' version identifiers.
 - `\str_foldcase:n`
 - `\str_lowercase:n`
 - `\str_uppercase:n`
-- `\text_expand:n`
-- `\text_purify:n`
+- `\text_expand:n` and supporting mechanisms
+- `\text_purify:n` and supporting mechanisms
 - `\text_lowercase:n, `\text_lowercase:nn`
 - `\text_uppercase:n, `\text_uppercase:nn`
 - `\text_titlecase:n, `\text_titlecase:nn`