Add in a few missing -2023 dates in copyright notice
Change-Id: Iba9367ba8e4cd395789d58b7ded52e74459af6c8
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
# -----------------------------------------------------------------------