doc: Update changelog entry [skip ci]

effigies · effigies · commit 990affe4e6eb · 2025-09-16T16:21:28.000-04:00
diff --git a/changelog.d/20250916_145237_dan_unique.md b/changelog.d/20250916_145237_dan_unique.md
@@ -7,7 +7,7 @@ For top level release notes, leave all the headers commented out.
 
 ### Added
 
-- A new expression function unique() was added.
+- Add support for the `unique()` function in schema expressions.
 
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 ### Changed
