diff --git a/build_files/cmake/Modules/FindFribidi.cmake b/build_files/cmake/Modules/FindFribidi.cmake
index f6f8d214c2b..1a3b5025f6d 100644
--- a/build_files/cmake/Modules/FindFribidi.cmake
+++ b/build_files/cmake/Modules/FindFribidi.cmake
@@ -1,4 +1,7 @@
+# SPDX-FileCopyrightText: 2023 Blender Authors
+#
 # SPDX-License-Identifier: BSD-3-Clause
+
 # - Find Fribidi library
 # Find the native fribidi includes and library
 # This module defines
diff --git a/build_files/cmake/Modules/FindHarfbuzz.cmake b/build_files/cmake/Modules/FindHarfbuzz.cmake
index 174cc1478de..9dc91838412 100644
--- a/build_files/cmake/Modules/FindHarfbuzz.cmake
+++ b/build_files/cmake/Modules/FindHarfbuzz.cmake
@@ -1,4 +1,7 @@
+# SPDX-FileCopyrightText: 2023 Blender Authors
+#
 # SPDX-License-Identifier: BSD-3-Clause
+
 # - Find Harfbuzz library
 # Find the native harfbuzz includes and library
 # This module defines
diff --git a/source/blender/io/stl/exporter/stl_export.cc b/source/blender/io/stl/exporter/stl_export.cc
index a0e1626a769..bb396cedead 100644
--- a/source/blender/io/stl/exporter/stl_export.cc
+++ b/source/blender/io/stl/exporter/stl_export.cc
@@ -1,4 +1,6 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* SPDX-FileCopyrightText: 2023 Blender Authors
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later */
 
 /** \file
  * \ingroup stl
diff --git a/source/blender/io/stl/exporter/stl_export.hh b/source/blender/io/stl/exporter/stl_export.hh
index c4db83cd0c9..62d91700403 100644
--- a/source/blender/io/stl/exporter/stl_export.hh
+++ b/source/blender/io/stl/exporter/stl_export.hh
@@ -1,4 +1,6 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* SPDX-FileCopyrightText: 2023 Blender Authors
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later */
 
 /** \file
  * \ingroup stl
diff --git a/source/blender/io/stl/exporter/stl_export_writer.cc b/source/blender/io/stl/exporter/stl_export_writer.cc
index 469d4256845..2f7f5446c7f 100644
--- a/source/blender/io/stl/exporter/stl_export_writer.cc
+++ b/source/blender/io/stl/exporter/stl_export_writer.cc
@@ -1,4 +1,6 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* SPDX-FileCopyrightText: 2023 Blender Authors
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later */
 
 /** \file
  * \ingroup stl
diff --git a/source/blender/io/stl/exporter/stl_export_writer.hh b/source/blender/io/stl/exporter/stl_export_writer.hh
index ceb817c96c7..09890b83fea 100644
--- a/source/blender/io/stl/exporter/stl_export_writer.hh
+++ b/source/blender/io/stl/exporter/stl_export_writer.hh
@@ -1,4 +1,6 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* SPDX-FileCopyrightText: 2023 Blender Authors
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later */
 
 /** \file
  * \ingroup stl