Update cpp/ql/lib/change-notes/2024-01-16-consteval-if.md

Co-authored-by: Calum Grant <42069085+calumgrant@users.noreply.github.com>

Author: jketema

cpp/ql/lib/change-notes/2024-01-16-consteval-if.md

@@ -1,4 +1,4 @@
 ---
 category: feature
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-* New classes `ConstevalIfStmt` and `NotConstEvalIfStmt` were introduced, which represent the C++23 `if consteval` and `if ! consteval` statements.
+* New classes `ConstevalIfStmt` and `NotConstevalIfStmt` were introduced, which represent the C++23 `if consteval` and `if ! consteval` statements.