diff --git a/Register.c b/Register.c
index e3cd407..87017ac 100644
--- a/Register.c
+++ b/Register.c
@@ -14,6 +14,10 @@
  * limitations under the License.
  */
 
+/*
+ * JNI helper functions.
+ */
+
 #include "jni.h"
 
 extern int registerCoreLibrariesJni(JNIEnv* env);
diff --git a/include/nativehelper/jni.h b/include/nativehelper/jni.h
index 93349e0..22b1d88 100644
--- a/include/nativehelper/jni.h
+++ b/include/nativehelper/jni.h
@@ -1,11 +1,26 @@
 /*
- * Copyright 2006 The Android Open Source Project
+ * Copyright (C) 2006 The Android Open Source Project
  *
+ * 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.
+ */
+
+/*
  * JNI specification, as defined by Sun:
  * http://java.sun.com/javase/6/docs/technotes/guides/jni/spec/jniTOC.html
  *
  * Everything here is expected to be VM-neutral.
  */
+
 #ifndef _JNI_H
 #define _JNI_H