diff --git a/capellambse_context_diagrams/collectors/realization_view.py b/capellambse_context_diagrams/collectors/realization_view.py
index eef6ab06..39982012 100644
--- a/capellambse_context_diagrams/collectors/realization_view.py
+++ b/capellambse_context_diagrams/collectors/realization_view.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2022 Copyright DB InfraGO AG and the capellambse-context-diagrams contributors
+# SPDX-License-Identifier: Apache-2.0
+
 # SPDX-FileCopyrightText: 2022 Copyright DB Netz AG and the capellambse-context-diagrams contributors
 # SPDX-License-Identifier: Apache-2.0
 """This submodule defines the collector for the RealizationView diagram."""
diff --git a/docs/realization_view.md b/docs/realization_view.md
index 8ba377a1..e32ce2c2 100644
--- a/docs/realization_view.md
+++ b/docs/realization_view.md
@@ -1,3 +1,8 @@
+<!--
+ ~ SPDX-FileCopyrightText: 2022 Copyright DB InfraGO AG and the capellambse-context-diagrams contributors
+ ~ SPDX-License-Identifier: Apache-2.0
+ -->
+
 <!--
  ~ SPDX-FileCopyrightText: 2022 Copyright DB Netz AG and the capellambse-context-diagrams contributors
  ~ SPDX-License-Identifier: Apache-2.0
diff --git a/tests/test_realization_views.py b/tests/test_realization_views.py
index 4c672fc4..5439fbb9 100644
--- a/tests/test_realization_views.py
+++ b/tests/test_realization_views.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2022 Copyright DB InfraGO AG and the capellambse-context-diagrams contributors
+# SPDX-License-Identifier: Apache-2.0
+
 # SPDX-FileCopyrightText: 2022 Copyright DB Netz AG and the capellambse-context-diagrams contributors
 # SPDX-License-Identifier: Apache-2.0