diff --git a/mediapipe/pose_tracking_dll/pose_tracking.cpp b/mediapipe/pose_tracking_dll/pose_tracking.cpp
index a928bf708..218339716 100644
--- a/mediapipe/pose_tracking_dll/pose_tracking.cpp
+++ b/mediapipe/pose_tracking_dll/pose_tracking.cpp
@@ -1,3 +1,19 @@
+/**
+   Copyright 2022, Nimagna AG
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+ */
+ 
 #include "pose_tracking.h"
 
 #include <cstdlib>
diff --git a/mediapipe/pose_tracking_dll/pose_tracking.h b/mediapipe/pose_tracking_dll/pose_tracking.h
index b521aef9e..5f6ff3285 100644
--- a/mediapipe/pose_tracking_dll/pose_tracking.h
+++ b/mediapipe/pose_tracking_dll/pose_tracking.h
@@ -1,3 +1,19 @@
+/**
+   Copyright 2022, Nimagna AG
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+ */
+
 #ifndef POSE_TRACKING_LIBRARY_H
 #define POSE_TRACKING_LIBRARY_H
 
@@ -48,7 +64,7 @@ struct Mat {
 
 class DLLEXPORT PoseTracking {
  public:
-  static constexpr size_t landmarksCount = 33u;
+  static constexpr size_t kLandmarksCount = 33u;
   enum LandmarkNames {
     NOSE = 0,
     LEFT_EYE_INNER,
@@ -83,7 +99,7 @@ class DLLEXPORT PoseTracking {
     RIGHT_HEEL,
     LEFT_FOOT_INDEX,
     RIGHT_FOOT_INDEX,
-    COUNT = landmarksCount
+    COUNT = kLandmarksCount
   };
 
   PoseTracking(const char* calculatorGraphConfigFile);