diff --git a/CMakeLists.txt b/CMakeLists.txt
index 295e8528b0..e14ca2e6b4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,8 +2,10 @@
 # SuiteSparse/CMakeLists.txt:  root CMake build rules
 #-------------------------------------------------------------------------------
 
-# Copyright (c) 2023, Timothy A. Davis.
-# All Rights Reserved.
+# Copyright (c) 2023, Timothy A. Davis, All Rights Reserved.
+# Just this particular file is under the Apache-2.0 license; each package has
+# its own license.
+# SPDX-License-Identifier: Apache-2.0
 
 # The actually required minimum CMake version might be higher depending on the
 # selected SuiteSparse projects.