diff --git a/CHANGELOG.md b/CHANGELOG.md
index 68b5957bd..c9a7f31b9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -28,7 +28,7 @@
 - [trivial] Organize the structure of the Edit menu.
 - [trivial] Suppress display of the “Extracting” message on the navigation bar in instantaneous parsing.
 - [trivial] Make names of code contributors in the About window selectable.
-- [dev] Update the build environment to Xcode 16.
+- [dev] Update the build environment to Xcode 16 (Swift 6).
 - [dev] Migrate all unit tests to Swift Testing.
 - [dev] Migrate the navigation bar and the Snippets settings view to SwiftUI.