diff --git a/charger/keba-modbus.go b/charger/keba-modbus.go
index 46d16a4d7..fb2cb5907 100644
--- a/charger/keba-modbus.go
+++ b/charger/keba-modbus.go
@@ -1,5 +1,22 @@
 package charger
 
+// LICENSE
+
+// Copyright (c) 2023 andig
+
+// This module is NOT covered by the MIT license. All rights reserved.
+
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
 import (
 	"encoding/binary"
 	"encoding/hex"