Improve changelog

Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
diff --git a/ChangeLog.d/fix-ilp32.txt b/ChangeLog.d/fix-ilp32.txt
index 7c28d68..3f18ac5 100644
--- a/ChangeLog.d/fix-ilp32.txt
+++ b/ChangeLog.d/fix-ilp32.txt
@@ -1,4 +1,4 @@
 Bugfix
-   * Fix a compile failure in the constant_time module when building
-     for watchos (i.e. for Aarch64 ILP32). Reported by Paulo Coutinho
-     in #7787.
+   * Fix a compilation failure in the constant_time module when
+     building for arm64_32 (e.g., for watchos). Reported by Paulo
+     Coutinho in #7787.