diff --git a/ant-tools-src/com/sun/jna/package-info.java b/ant-tools-src/com/sun/jna/package-info.java
index 9161bd89b4..50333e16f0 100644
--- a/ant-tools-src/com/sun/jna/package-info.java
+++ b/ant-tools-src/com/sun/jna/package-info.java
@@ -1,3 +1,27 @@
+/* Copyright (c) 2017 Matthias Bläsing, All Rights Reserved
+ *
+ * The contents of this file is dual-licensed under 2
+ * alternative Open Source/Free licenses: LGPL 2.1 or later and
+ * Apache License 2.0. (starting with JNA version 4.0.0).
+ *
+ * You can freely decide which license you want to apply to
+ * the project.
+ *
+ * You may obtain a copy of the LGPL License at:
+ *
+ * http://www.gnu.org/licenses/licenses.html
+ *
+ * A copy is also included in the downloadable source code package
+ * containing JNA, in file "LGPL2.1".
+ *
+ * You may obtain a copy of the Apache License at:
+ *
+ * http://www.apache.org/licenses/
+ *
+ * A copy is also included in the downloadable source code package
+ * containing JNA, in file "AL2.0".
+ */
+
 /**
  * <p>The build script is expected to build a minimal set of classes that are
  * required to execute this. At the time of writing these are:</p>
diff --git a/test/com/sun/jna/AnnotatedLibraryTest.java b/test/com/sun/jna/AnnotatedLibraryTest.java
index 84e3914d62..903d10d7a5 100644
--- a/test/com/sun/jna/AnnotatedLibraryTest.java
+++ b/test/com/sun/jna/AnnotatedLibraryTest.java
@@ -1,4 +1,4 @@
-/**
+/*
  * The contents of this file is dual-licensed under 2
  * alternative Open Source/Free licenses: LGPL 2.1 or later and
  * Apache License 2.0. (starting with JNA version 4.0.0).
diff --git a/test/com/sun/jna/ELFAnalyserTest.java b/test/com/sun/jna/ELFAnalyserTest.java
index 29c47bbb27..16a7ef5fa2 100644
--- a/test/com/sun/jna/ELFAnalyserTest.java
+++ b/test/com/sun/jna/ELFAnalyserTest.java
@@ -1,4 +1,26 @@
-
+/* Copyright (c) 2017 Matthias Bläsing, All Rights Reserved
+ *
+ * The contents of this file is dual-licensed under 2
+ * alternative Open Source/Free licenses: LGPL 2.1 or later and
+ * Apache License 2.0. (starting with JNA version 4.0.0).
+ *
+ * You can freely decide which license you want to apply to
+ * the project.
+ *
+ * You may obtain a copy of the LGPL License at:
+ *
+ * http://www.gnu.org/licenses/licenses.html
+ *
+ * A copy is also included in the downloadable source code package
+ * containing JNA, in file "LGPL2.1".
+ *
+ * You may obtain a copy of the Apache License at:
+ *
+ * http://www.apache.org/licenses/
+ *
+ * A copy is also included in the downloadable source code package
+ * containing JNA, in file "AL2.0".
+ */
 package com.sun.jna;
 
 import java.io.*;