diff --git a/src/main/java/org/springframework/data/keyvalue/core/AbstractKeyValueAdapter.java b/src/main/java/org/springframework/data/keyvalue/core/AbstractKeyValueAdapter.java
index 942f891..e76164d 100644
--- a/src/main/java/org/springframework/data/keyvalue/core/AbstractKeyValueAdapter.java
+++ b/src/main/java/org/springframework/data/keyvalue/core/AbstractKeyValueAdapter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2016 the original author or 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/src/main/java/org/springframework/data/keyvalue/core/KeyValueAdapter.java b/src/main/java/org/springframework/data/keyvalue/core/KeyValueAdapter.java
index f72fd09..a3bc934 100644
--- a/src/main/java/org/springframework/data/keyvalue/core/KeyValueAdapter.java
+++ b/src/main/java/org/springframework/data/keyvalue/core/KeyValueAdapter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2015 the original author or authors.
+ * Copyright 2014-2016 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -94,7 +94,7 @@ public interface KeyValueAdapter extends DisposableBean {
 	Iterable<?> getAllOf(Serializable keyspace);
 
 	/**
-	 * Returns a {@link KeyValueIterator} that iterates over all entries.
+	 * Returns a {@link CloseableIterator} that iterates over all entries.
 	 * 
 	 * @param keyspace
 	 * @return
diff --git a/src/main/java/org/springframework/data/keyvalue/core/QueryEngine.java b/src/main/java/org/springframework/data/keyvalue/core/QueryEngine.java
index 4fab579..ab1dde6 100644
--- a/src/main/java/org/springframework/data/keyvalue/core/QueryEngine.java
+++ b/src/main/java/org/springframework/data/keyvalue/core/QueryEngine.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors.
+ * Copyright 2014-2016 the original author or 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/src/main/java/org/springframework/data/keyvalue/repository/support/KeyValueRepositoryFactory.java b/src/main/java/org/springframework/data/keyvalue/repository/support/KeyValueRepositoryFactory.java
index b2c31ab..c76f007 100644
--- a/src/main/java/org/springframework/data/keyvalue/repository/support/KeyValueRepositoryFactory.java
+++ b/src/main/java/org/springframework/data/keyvalue/repository/support/KeyValueRepositoryFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2015 the original author or authors.
+ * Copyright 2014-2016 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.