diff --git a/.gitignore b/.gitignore
index 3c811258e..01813d8b3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,26 +1,28 @@
+# SPDX-License-Identifier: CC0-1.0
+# SPDX-FileCopyrightText: none
 # Ignore the following files
 *~
 *.[oa]
 *.diff
 *.kate-swp
 *.kdev4
 .kdev_include_paths
 *.kdevelop.pcs
 *.moc
 *.moc.cpp
 *.orig
 *.user
 .*.swp
 .swp.*
 Doxyfile
 Makefile
 /build*/
 .cmake/
 CMakeLists.txt.user*
 *.unc-backup*
 compile_commands.json
 .clang-format
 .clangd
 .idea
 /cmake-build*
 .cache