diff --git a/src/main/java/org/redisson/RedissonKeys.java b/src/main/java/org/redisson/RedissonKeys.java
index cc4359c1a..8b0bffe8b 100644
--- a/src/main/java/org/redisson/RedissonKeys.java
+++ b/src/main/java/org/redisson/RedissonKeys.java
@@ -1,3 +1,18 @@
+/**
+ * Copyright 2014 Nikita Koksharov, Nickolay Borbit
+ *
+ * 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.redisson;
 
 import java.util.ArrayList;
diff --git a/src/main/java/org/redisson/core/RKeys.java b/src/main/java/org/redisson/core/RKeys.java
index ff2da4789..3fdf08126 100644
--- a/src/main/java/org/redisson/core/RKeys.java
+++ b/src/main/java/org/redisson/core/RKeys.java
@@ -1,3 +1,18 @@
+/**
+ * Copyright 2014 Nikita Koksharov, Nickolay Borbit
+ *
+ * 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.redisson.core;
 
 import java.util.Collection;
diff --git a/src/main/java/org/redisson/core/RKeysAsync.java b/src/main/java/org/redisson/core/RKeysAsync.java
index 396b192b9..84672bc90 100644
--- a/src/main/java/org/redisson/core/RKeysAsync.java
+++ b/src/main/java/org/redisson/core/RKeysAsync.java
@@ -1,3 +1,18 @@
+/**
+ * Copyright 2014 Nikita Koksharov, Nickolay Borbit
+ *
+ * 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.redisson.core;
 
 import java.util.Collection;
diff --git a/src/main/java/org/redisson/misc/CompositeIterable.java b/src/main/java/org/redisson/misc/CompositeIterable.java
index 52b58b21c..2f871eb09 100644
--- a/src/main/java/org/redisson/misc/CompositeIterable.java
+++ b/src/main/java/org/redisson/misc/CompositeIterable.java
@@ -1,3 +1,18 @@
+/**
+ * Copyright 2014 Nikita Koksharov, Nickolay Borbit
+ *
+ * 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.redisson.misc;
 
 import java.util.ArrayList;