diff --git a/org_apg_api_demo/src/org/apg/api_demo/util/Constants.java b/org_apg_api_demo/src/org/apg/api_demo/util/Constants.java
index 7047ed788..1578b673c 100644
--- a/org_apg_api_demo/src/org/apg/api_demo/util/Constants.java
+++ b/org_apg_api_demo/src/org/apg/api_demo/util/Constants.java
@@ -1,3 +1,20 @@
+/*
+ * Copyright (C) 2010-2011 K-9 Mail Contributors
+ * Copyright (C) 2012 Dominik Schürmann <dominik@dominikschuermann.de>
+ *
+ * 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.
+ */
+
 package org.apg.api_demo.util;
 
 import java.util.regex.Pattern;
diff --git a/org_apg_api_demo/src/org/apg/api_demo/util/IntentHelper.java b/org_apg_api_demo/src/org/apg/api_demo/util/IntentHelper.java
index 769abe924..d4256663a 100644
--- a/org_apg_api_demo/src/org/apg/api_demo/util/IntentHelper.java
+++ b/org_apg_api_demo/src/org/apg/api_demo/util/IntentHelper.java
@@ -1,3 +1,20 @@
+/*
+ * Copyright (C) 2010-2011 K-9 Mail Contributors
+ * Copyright (C) 2012 Dominik Schürmann <dominik@dominikschuermann.de>
+ *
+ * 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.
+ */
+
 package org.apg.api_demo.util;
 
 import android.app.Activity;
diff --git a/org_apg_api_demo/src/org/apg/api_demo/util/ProviderHelper.java b/org_apg_api_demo/src/org/apg/api_demo/util/ProviderHelper.java
index 3e4520b7d..0021e2012 100644
--- a/org_apg_api_demo/src/org/apg/api_demo/util/ProviderHelper.java
+++ b/org_apg_api_demo/src/org/apg/api_demo/util/ProviderHelper.java
@@ -1,3 +1,20 @@
+/*
+ * Copyright (C) 2010-2011 K-9 Mail Contributors
+ * Copyright (C) 2012 Dominik Schürmann <dominik@dominikschuermann.de>
+ *
+ * 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.
+ */
+
 package org.apg.api_demo.util;
 
 import android.content.ContentUris;
diff --git a/org_apg_api_demo/src/org/apg/api_demo/util/Util.java b/org_apg_api_demo/src/org/apg/api_demo/util/Util.java
index c698d723e..43d3173dc 100644
--- a/org_apg_api_demo/src/org/apg/api_demo/util/Util.java
+++ b/org_apg_api_demo/src/org/apg/api_demo/util/Util.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2010-2011 K9-Mail Contributors
+ * Copyright (C) 2010-2011 K-9 Mail Contributors
  * Copyright (C) 2012 Dominik Schürmann <dominik@dominikschuermann.de>
  *
  * Licensed under the Apache License, Version 2.0 (the "License");