diff --git a/docs/CMakeLists.txt b/docs/CMakeLists.txt
index fe5a515a..f2cabda8 100644
--- a/docs/CMakeLists.txt
+++ b/docs/CMakeLists.txt
@@ -1,3 +1,14 @@
+#
+# This file is part of KDDockWidgets.
+#
+# SPDX-FileCopyrightText: 2020 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+# Author: Allen Winter <allen.winter@kdab.com>
+#
+# SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+#
+# Contact KDAB at <info@kdab.com> for commercial licensing options.
+#
+
 # qhelpgenerator
 find_program(QHELPGEN_EXECUTABLE qhelpgenerator
   HINTS ${QT_INSTALL_BINS}
diff --git a/docs/api/CMakeLists.txt b/docs/api/CMakeLists.txt
index 60d5dbb9..c8a1b97a 100644
--- a/docs/api/CMakeLists.txt
+++ b/docs/api/CMakeLists.txt
@@ -1,3 +1,14 @@
+#
+# This file is part of KDDockWidgets.
+#
+# SPDX-FileCopyrightText: 2020 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+# Author: Allen Winter <allen.winter@kdab.com>
+#
+# SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+#
+# Contact KDAB at <info@kdab.com> for commercial licensing options.
+#
+
 find_file(QDOC_QTCORE_TAG qtcore.tags
   HINTS ${QT_INSTALL_DOCS}/qtcore
   HINTS ${QT_INSTALL_DATA}/doc/qtcore
diff --git a/src/KDDockWidgetsConfig.cmake.in b/src/KDDockWidgetsConfig.cmake.in
index 1a3534a2..908412fa 100644
--- a/src/KDDockWidgetsConfig.cmake.in
+++ b/src/KDDockWidgetsConfig.cmake.in
@@ -1,3 +1,14 @@
+#
+# This file is part of KDDockWidgets.
+#
+# SPDX-FileCopyrightText: 2019-2020 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+# Author: Jean-Michaël Celerier <jean-michael.celerier@kdab.com>
+#
+# SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+#
+# Contact KDAB at <info@kdab.com> for commercial licensing options.
+#
+
 include(CMakeFindDependencyMacro)
 
 find_dependency(Qt5Widgets REQUIRED)