diff --git a/pkg/lrucache/README.md b/pkg/lrucache/README.md
index 8cd2751..a2b2f45 100644
--- a/pkg/lrucache/README.md
+++ b/pkg/lrucache/README.md
@@ -1,7 +1,5 @@
 # In-Memory LRU Cache for Golang Applications
 
-[![](https://pkg.go.dev/badge/github.com/iamlouk/lrucache?utm_source=godoc)](https://pkg.go.dev/github.com/iamlouk/lrucache)
-
 This library can be embedded into your existing go applications
 and play the role *Memcached* or *Redis* might play for others.
 It is inspired by [PHP Symfony's Cache Components](https://symfony.com/doc/current/components/cache/adapters/array_cache_adapter.html),
diff --git a/pkg/lrucache/cache.go b/pkg/lrucache/cache.go
index aedfd5c..679bd2e 100644
--- a/pkg/lrucache/cache.go
+++ b/pkg/lrucache/cache.go
@@ -1,3 +1,7 @@
+// Copyright (C) 2022 NHR@FAU, University Erlangen-Nuremberg.
+// All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
 package lrucache
 
 import (
diff --git a/pkg/lrucache/cache_test.go b/pkg/lrucache/cache_test.go
index bfab653..7ba5504 100644
--- a/pkg/lrucache/cache_test.go
+++ b/pkg/lrucache/cache_test.go
@@ -1,3 +1,7 @@
+// Copyright (C) 2022 NHR@FAU, University Erlangen-Nuremberg.
+// All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
 package lrucache
 
 import (
diff --git a/pkg/lrucache/handler.go b/pkg/lrucache/handler.go
index e83ba10..db6687f 100644
--- a/pkg/lrucache/handler.go
+++ b/pkg/lrucache/handler.go
@@ -1,3 +1,7 @@
+// Copyright (C) 2022 NHR@FAU, University Erlangen-Nuremberg.
+// All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
 package lrucache
 
 import (
diff --git a/pkg/lrucache/handler_test.go b/pkg/lrucache/handler_test.go
index cb05f31..4013c63 100644
--- a/pkg/lrucache/handler_test.go
+++ b/pkg/lrucache/handler_test.go
@@ -1,3 +1,7 @@
+// Copyright (C) 2022 NHR@FAU, University Erlangen-Nuremberg.
+// All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
 package lrucache
 
 import (