diff --git a/docs/conf.py b/docs/conf.py
index 27fcfef..d7b1e42 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -1,4 +1,4 @@
-# This code is part of a Qiskit project.
+# This code is a Qiskit project.
 #
 # (C) Copyright IBM 2024.
 #
diff --git a/qiskit_addon_dice_solver/__init__.py b/qiskit_addon_dice_solver/__init__.py
index 0eae1b2..9749afb 100644
--- a/qiskit_addon_dice_solver/__init__.py
+++ b/qiskit_addon_dice_solver/__init__.py
@@ -1,10 +1,11 @@
 # This code is a Qiskit project.
-
+#
 # (C) Copyright IBM 2024.
-
+#
 # This code is licensed under the Apache License, Version 2.0. You may
 # obtain a copy of this license in the LICENSE.txt file in the root directory
 # of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.
+#
 # Any modifications or derivative works of this code must retain this
 # copyright notice, and modified files need to carry a notice indicating
 # that they have been altered from the originals.
diff --git a/qiskit_addon_dice_solver/dice_solver.py b/qiskit_addon_dice_solver/dice_solver.py
index 3202fb9..6a201a4 100644
--- a/qiskit_addon_dice_solver/dice_solver.py
+++ b/qiskit_addon_dice_solver/dice_solver.py
@@ -1,10 +1,11 @@
 # This code is a Qiskit project.
-
+#
 # (C) Copyright IBM 2024.
-
+#
 # This code is licensed under the Apache License, Version 2.0. You may
 # obtain a copy of this license in the LICENSE.txt file in the root directory
 # of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.
+#
 # Any modifications or derivative works of this code must retain this
 # copyright notice, and modified files need to carry a notice indicating
 # that they have been altered from the originals.
diff --git a/setup.py b/setup.py
index f501de4..28adba3 100644
--- a/setup.py
+++ b/setup.py
@@ -1,3 +1,15 @@
+# This code is a Qiskit project.
+#
+# (C) Copyright IBM 2024.
+#
+# This code is licensed under the Apache License, Version 2.0. You may
+# obtain a copy of this license in the LICENSE.txt file in the root directory
+# of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.
+#
+# Any modifications or derivative works of this code must retain this
+# copyright notice, and modified files need to carry a notice indicating
+# that they have been altered from the originals.
+
 from setuptools import setup, find_packages
 
 
diff --git a/test/test_n2.py b/test/test_n2.py
index 6fb6089..1439533 100644
--- a/test/test_n2.py
+++ b/test/test_n2.py
@@ -1,3 +1,15 @@
+# This code is a Qiskit project.
+#
+# (C) Copyright IBM 2024.
+#
+# This code is licensed under the Apache License, Version 2.0. You may
+# obtain a copy of this license in the LICENSE.txt file in the root directory
+# of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.
+#
+# Any modifications or derivative works of this code must retain this
+# copyright notice, and modified files need to carry a notice indicating
+# that they have been altered from the originals.
+
 import os
 
 from pyscf import ao2mo, tools