diff --git a/ChatView/ChatAgentController.cpp b/ChatView/ChatAgentController.cpp
index ac11f38..2a5a55c 100644
--- a/ChatView/ChatAgentController.cpp
+++ b/ChatView/ChatAgentController.cpp
@@ -1,5 +1,6 @@
 // Copyright (C) 2024-2026 Petr Mironychev
 // SPDX-License-Identifier: GPL-3.0-or-later
+// Additional attribution terms under GPLv3 §7(b) apply — see LICENSE
 
 #include "ChatAgentController.hpp"
 
diff --git a/ChatView/ChatAgentController.hpp b/ChatView/ChatAgentController.hpp
index b83dc55..e79e4f8 100644
--- a/ChatView/ChatAgentController.hpp
+++ b/ChatView/ChatAgentController.hpp
@@ -1,5 +1,6 @@
 // Copyright (C) 2024-2026 Petr Mironychev
 // SPDX-License-Identifier: GPL-3.0-or-later
+// Additional attribution terms under GPLv3 §7(b) apply — see LICENSE
 
 #pragma once
 
diff --git a/sources/Session/ToolContributorRegistry.hpp b/sources/Session/ToolContributorRegistry.hpp
index 748fa82..cc8e5ae 100644
--- a/sources/Session/ToolContributorRegistry.hpp
+++ b/sources/Session/ToolContributorRegistry.hpp
@@ -1,5 +1,6 @@
 // Copyright (C) 2024-2026 Petr Mironychev
 // SPDX-License-Identifier: GPL-3.0-or-later
+// Additional attribution terms under GPLv3 §7(b) apply — see LICENSE
 
 #pragma once
 
diff --git a/sources/providers/GenericProvider.cpp b/sources/providers/GenericProvider.cpp
index 5f66e2e..bc12b1d 100644
--- a/sources/providers/GenericProvider.cpp
+++ b/sources/providers/GenericProvider.cpp
@@ -1,5 +1,6 @@
 // Copyright (C) 2024-2026 Petr Mironychev
 // SPDX-License-Identifier: GPL-3.0-or-later
+// Additional attribution terms under GPLv3 §7(b) apply — see LICENSE
 
 #include "GenericProvider.hpp"
 
diff --git a/sources/providers/GenericProvider.hpp b/sources/providers/GenericProvider.hpp
index 407222a..a9f11f2 100644
--- a/sources/providers/GenericProvider.hpp
+++ b/sources/providers/GenericProvider.hpp
@@ -1,5 +1,6 @@
 // Copyright (C) 2024-2026 Petr Mironychev
 // SPDX-License-Identifier: GPL-3.0-or-later
+// Additional attribution terms under GPLv3 §7(b) apply — see LICENSE
 
 #pragma once