Update cpp/ql/lib/change-notes/2026-03-24-field-init.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: jketema

cpp/ql/lib/change-notes/2026-03-24-field-init.md

@@ -1,5 +1,5 @@
 ---
 category: feature
 ---
-* Added a class `ConstructorDirectFieldInit` to represent field initializations that occur in member initialization lists.
+* Added a class `ConstructorDirectFieldInit` to represent field initializations that occur in member initializer lists.
 * Added a class `ConstructorDefaultFieldInit` to represent default field initializations.