diff --git a/common/data/src/main/java/org/thingsboard/server/common/data/security/DeviceX509Credentials.java b/common/data/src/main/java/org/thingsboard/server/common/data/security/DeviceX509Credentials.java
index f2be4c1907..a7f23a811d 100644
--- a/common/data/src/main/java/org/thingsboard/server/common/data/security/DeviceX509Credentials.java
+++ b/common/data/src/main/java/org/thingsboard/server/common/data/security/DeviceX509Credentials.java
@@ -1,5 +1,5 @@
 /**
- * Copyright © 2016 The Thingsboard Authors
+ * Copyright © 2016-2017 The Thingsboard Authors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/dao/src/main/java/org/thingsboard/server/dao/EncryptionUtil.java b/dao/src/main/java/org/thingsboard/server/dao/EncryptionUtil.java
index df456c8714..71541cc7b2 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/EncryptionUtil.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/EncryptionUtil.java
@@ -1,5 +1,5 @@
 /**
- * Copyright © 2016 The Thingsboard Authors
+ * Copyright © 2016-2017 The Thingsboard Authors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/tools/src/main/shell/onewaysslmqttclient.py b/tools/src/main/shell/onewaysslmqttclient.py
index a6efbd35e2..63d129ee1f 100644
--- a/tools/src/main/shell/onewaysslmqttclient.py
+++ b/tools/src/main/shell/onewaysslmqttclient.py
@@ -1,6 +1,5 @@
-# -*- coding: utf-8 -*-
 #
-# Copyright © 2016 The Thingsboard Authors
+# Copyright © 2016-2017 The Thingsboard Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tools/src/main/shell/securemqttclient.keygen.sh b/tools/src/main/shell/securemqttclient.keygen.sh
index 1d6752c669..eba141bd40 100755
--- a/tools/src/main/shell/securemqttclient.keygen.sh
+++ b/tools/src/main/shell/securemqttclient.keygen.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright © 2016 The Thingsboard Authors
+# Copyright © 2016-2017 The Thingsboard Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/util/SslUtil.java b/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/util/SslUtil.java
index 8df1681aa4..8fdf721cd4 100644
--- a/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/util/SslUtil.java
+++ b/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/util/SslUtil.java
@@ -1,5 +1,5 @@
 /**
- * Copyright © 2016 The Thingsboard Authors
+ * Copyright © 2016-2017 The Thingsboard Authors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.