diff --git a/src/main/java/org/springframework/data/elasticsearch/annotations/Routing.java b/src/main/java/org/springframework/data/elasticsearch/annotations/Routing.java
index 4a6ff8c2f..ea71e5056 100644
--- a/src/main/java/org/springframework/data/elasticsearch/annotations/Routing.java
+++ b/src/main/java/org/springframework/data/elasticsearch/annotations/Routing.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020-2021the original author or authors.
+ * Copyright2020-2021 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/elasticsearch/core/routing/DefaultRoutingResolver.java b/src/main/java/org/springframework/data/elasticsearch/core/routing/DefaultRoutingResolver.java
index e88561014..61c38317b 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/routing/DefaultRoutingResolver.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/routing/DefaultRoutingResolver.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020-2021the original author or authors.
+ * Copyright2020-2021 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/elasticsearch/core/routing/RoutingResolver.java b/src/main/java/org/springframework/data/elasticsearch/core/routing/RoutingResolver.java
index cb4ec497b..3e743afc6 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/routing/RoutingResolver.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/routing/RoutingResolver.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020-2021the original author or authors.
+ * Copyright2020-2021 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/test/java/org/springframework/data/elasticsearch/core/EntityOperationsTest.java b/src/test/java/org/springframework/data/elasticsearch/core/EntityOperationsTest.java
index 0efced2ea..0f0fa40d5 100644
--- a/src/test/java/org/springframework/data/elasticsearch/core/EntityOperationsTest.java
+++ b/src/test/java/org/springframework/data/elasticsearch/core/EntityOperationsTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020-2021the original author or authors.
+ * Copyright2020-2021 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/test/java/org/springframework/data/elasticsearch/core/routing/DefaultRoutingResolverUnitTest.java b/src/test/java/org/springframework/data/elasticsearch/core/routing/DefaultRoutingResolverUnitTest.java
index 6a74424da..e34f6367c 100644
--- a/src/test/java/org/springframework/data/elasticsearch/core/routing/DefaultRoutingResolverUnitTest.java
+++ b/src/test/java/org/springframework/data/elasticsearch/core/routing/DefaultRoutingResolverUnitTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020-2021the original author or authors.
+ * Copyright2020-2021 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/test/java/org/springframework/data/elasticsearch/core/routing/ElasticsearchOperationsRoutingTests.java b/src/test/java/org/springframework/data/elasticsearch/core/routing/ElasticsearchOperationsRoutingTests.java
index ae16a5d61..06b16ae2e 100644
--- a/src/test/java/org/springframework/data/elasticsearch/core/routing/ElasticsearchOperationsRoutingTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/core/routing/ElasticsearchOperationsRoutingTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020-2021the original author or authors.
+ * Copyright2020-2021 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/test/java/org/springframework/data/elasticsearch/core/routing/ElasticsearchOperationsRoutingTransportTests.java b/src/test/java/org/springframework/data/elasticsearch/core/routing/ElasticsearchOperationsRoutingTransportTests.java
index fc126dfbb..3aff5b332 100644
--- a/src/test/java/org/springframework/data/elasticsearch/core/routing/ElasticsearchOperationsRoutingTransportTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/core/routing/ElasticsearchOperationsRoutingTransportTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020-2021the original author or authors.
+ * Copyright2020-2021 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/test/java/org/springframework/data/elasticsearch/core/routing/ReactiveElasticsearchOperationsRoutingTests.java b/src/test/java/org/springframework/data/elasticsearch/core/routing/ReactiveElasticsearchOperationsRoutingTests.java
index 16dc64b0d..6ed02cb8c 100644
--- a/src/test/java/org/springframework/data/elasticsearch/core/routing/ReactiveElasticsearchOperationsRoutingTests.java
+++ b/src/test/java/org/springframework/data/elasticsearch/core/routing/ReactiveElasticsearchOperationsRoutingTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020-2021the original author or authors.
+ * Copyright2020-2021 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.