Add in a few missing -2023 dates in copyright notice

Change-Id: Iba9367ba8e4cd395789d58b7ded52e74459af6c8
diff --git a/makefiles/lint/include.mk b/makefiles/lint/include.mk
index 95059fe..17c4083 100644
--- a/makefiles/lint/include.mk
+++ b/makefiles/lint/include.mk
@@ -1,6 +1,6 @@
 # -*- makefile -*-
 # -----------------------------------------------------------------------
-# Copyright 2022 Open Networking Foundation (ONF) and the ONF Contributors
+# Copyright 2022-2023 Open Networking Foundation (ONF) and the ONF Contributors
 # -----------------------------------------------------------------------
 # https://gerrit.opencord.org/plugins/gitiles/onf-make
 # ONF.makefile.version = 1.1
diff --git a/makefiles/lint/shell.mk b/makefiles/lint/shell.mk
index a02da31..704038c 100644
--- a/makefiles/lint/shell.mk
+++ b/makefiles/lint/shell.mk
@@ -34,7 +34,7 @@
 shell-check      := shellcheck
 
 shell-check-args += --check-sourced
-shell-check-args += --extenal-sources
+shell-check-args += --external-sources
 
 ##-------------------##
 ##---]  TARGETS  [---##
diff --git a/makefiles/python/include.mk b/makefiles/python/include.mk
index 70b5ca1..f46aea0 100644
--- a/makefiles/python/include.mk
+++ b/makefiles/python/include.mk
@@ -1,6 +1,6 @@
 # -*- makefile -*-
 # -----------------------------------------------------------------------
-# Copyright 2022 Open Networking Foundation (ONF) and the ONF Contributors
+# Copyright 2022-2023 Open Networking Foundation (ONF) and the ONF Contributors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -14,7 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# SPDX-FileCopyrightText: 2022 Open Networking Foundation (ONF) and the ONF Contributors
+# SPDX-FileCopyrightText: 2022-2023 Open Networking Foundation (ONF) and the ONF Contributors
 # SPDX-License-Identifier: Apache-2.0
 # -----------------------------------------------------------------------
 
diff --git a/makefiles/python/test/include.mk b/makefiles/python/test/include.mk
index 12afc3e..026fe68 100644
--- a/makefiles/python/test/include.mk
+++ b/makefiles/python/test/include.mk
@@ -1,6 +1,6 @@
 # -*- makefile -*-
 # -----------------------------------------------------------------------
-# Copyright 2022 Open Networking Foundation (ONF) and the ONF Contributors
+# Copyright 2022-2023 Open Networking Foundation (ONF) and the ONF Contributors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -14,7 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# SPDX-FileCopyrightText: 2022 Open Networking Foundation (ONF) and the ONF Contributors
+# SPDX-FileCopyrightText: 2022-2023 Open Networking Foundation (ONF) and the ONF Contributors
 # SPDX-License-Identifier: Apache-2.0
 # -----------------------------------------------------------------------
 
diff --git a/makefiles/targets/check.mk b/makefiles/targets/check.mk
index 2145343..aa1b0d0 100644
--- a/makefiles/targets/check.mk
+++ b/makefiles/targets/check.mk
@@ -14,7 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# SPDX-FileCopyrightText: 2022 Open Networking Foundation (ONF) and the ONF Contributors
+# SPDX-FileCopyrightText: 2022-2023 Open Networking Foundation (ONF) and the ONF Contributors
 # SPDX-License-Identifier: Apache-2.0
 # -----------------------------------------------------------------------
 
diff --git a/makefiles/targets/clean.mk b/makefiles/targets/clean.mk
index f504dec..f787e5c 100644
--- a/makefiles/targets/clean.mk
+++ b/makefiles/targets/clean.mk
@@ -14,7 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# SPDX-FileCopyrightText: 2022 Open Networking Foundation (ONF) and the ONF Contributors
+# SPDX-FileCopyrightText: 2022-2023 Open Networking Foundation (ONF) and the ONF Contributors
 # SPDX-License-Identifier: Apache-2.0
 # -----------------------------------------------------------------------
 
diff --git a/makefiles/targets/sterile.mk b/makefiles/targets/sterile.mk
index 1eb7035..c661f53 100644
--- a/makefiles/targets/sterile.mk
+++ b/makefiles/targets/sterile.mk
@@ -14,7 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# SPDX-FileCopyrightText: 2022 Open Networking Foundation (ONF) and the ONF Contributors
+# SPDX-FileCopyrightText: 2022-2023 Open Networking Foundation (ONF) and the ONF Contributors
 # SPDX-License-Identifier: Apache-2.0
 # -----------------------------------------------------------------------
 
diff --git a/makefiles/targets/test.mk b/makefiles/targets/test.mk
index d70fa4a..2f68086 100644
--- a/makefiles/targets/test.mk
+++ b/makefiles/targets/test.mk
@@ -14,7 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# SPDX-FileCopyrightText: 2022 Open Networking Foundation (ONF) and the ONF Contributors
+# SPDX-FileCopyrightText: 2022-2023 Open Networking Foundation (ONF) and the ONF Contributors
 # SPDX-License-Identifier: Apache-2.0
 # -----------------------------------------------------------------------
 
diff --git a/makefiles/targets/tox.mk b/makefiles/targets/tox.mk
index b3a638b..44da921 100644
--- a/makefiles/targets/tox.mk
+++ b/makefiles/targets/tox.mk
@@ -14,7 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# SPDX-FileCopyrightText: 2022 Open Networking Foundation (ONF) and the ONF Contributors
+# SPDX-FileCopyrightText: 2022-2023 Open Networking Foundation (ONF) and the ONF Contributors
 # SPDX-License-Identifier: Apache-2.0
 # -----------------------------------------------------------------------
 
diff --git a/makefiles/utils/include.mk b/makefiles/utils/include.mk
index 84f684b..5a7678f 100644
--- a/makefiles/utils/include.mk
+++ b/makefiles/utils/include.mk
@@ -14,7 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# SPDX-FileCopyrightText: 2022 Open Networking Foundation (ONF) and the ONF Contributors
+# SPDX-FileCopyrightText: 2022-2023 Open Networking Foundation (ONF) and the ONF Contributors
 # SPDX-License-Identifier: Apache-2.0
 # -----------------------------------------------------------------------