diff --git a/src/sets/conditional_expr.set b/src/sets/conditional_expr.set
index f6e8bb7..7b322b5 100644
--- a/src/sets/conditional_expr.set
+++ b/src/sets/conditional_expr.set
@@ -1,2 +1,2 @@
-/* FIXME not supposed to be directly this */
+/* XXX not supposed to be directly this */
 #include "cast_expr.set"