diff --git a/src/igc.c b/src/igc.c
index 35f0287e781..172c7a95017 100644
--- a/src/igc.c
+++ b/src/igc.c
@@ -1,4 +1,4 @@
-/* Incremental, generational, concurrent GC using MPS.
+/* Incremental and generational GC using MPS.
    Copyright (C) 2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.