diff --git a/include/rocksdb/arena.h b/include/rocksdb/arena.h
index c0a0ac240..642b61408 100644
--- a/include/rocksdb/arena.h
+++ b/include/rocksdb/arena.h
@@ -1,3 +1,7 @@
+// Copyright (c) 2013, Facebook, Inc.  All rights reserved.
+// This source code is licensed under the BSD-style license found in the
+// LICENSE file in the root directory of this source tree. An additional grant
+// of patent rights can be found in the PATENTS file in the same directory.
 // Copyright (c) 2011 The LevelDB Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file. See the AUTHORS file for names of contributors.
diff --git a/include/rocksdb/c.h b/include/rocksdb/c.h
index b7c536f13..787bcf431 100644
--- a/include/rocksdb/c.h
+++ b/include/rocksdb/c.h
@@ -1,4 +1,8 @@
-/* Copyright (c) 2011 The LevelDB Authors. All rights reserved.
+/*  Copyright (c) 2013, Facebook, Inc.  All rights reserved.
+  This source code is licensed under the BSD-style license found in the
+  LICENSE file in the root directory of this source tree. An additional grant
+  of patent rights can be found in the PATENTS file in the same directory.
+ Copyright (c) 2011 The LevelDB Authors. All rights reserved.
   Use of this source code is governed by a BSD-style license that can be
   found in the LICENSE file. See the AUTHORS file for names of contributors.
 
diff --git a/include/rocksdb/cache.h b/include/rocksdb/cache.h
index c912c9ccd..3e0e5c1cd 100644
--- a/include/rocksdb/cache.h
+++ b/include/rocksdb/cache.h
@@ -1,3 +1,7 @@
+// Copyright (c) 2013, Facebook, Inc.  All rights reserved.
+// This source code is licensed under the BSD-style license found in the
+// LICENSE file in the root directory of this source tree. An additional grant
+// of patent rights can be found in the PATENTS file in the same directory.
 // Copyright (c) 2011 The LevelDB Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file. See the AUTHORS file for names of contributors.
diff --git a/include/rocksdb/compaction_filter.h b/include/rocksdb/compaction_filter.h
index 2aaddec66..cb55ac44f 100644
--- a/include/rocksdb/compaction_filter.h
+++ b/include/rocksdb/compaction_filter.h
@@ -1,3 +1,7 @@
+// Copyright (c) 2013, Facebook, Inc.  All rights reserved.
+// This source code is licensed under the BSD-style license found in the
+// LICENSE file in the root directory of this source tree. An additional grant
+// of patent rights can be found in the PATENTS file in the same directory.
 // Copyright (c) 2013 The LevelDB Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file. See the AUTHORS file for names of contributors.
diff --git a/include/rocksdb/comparator.h b/include/rocksdb/comparator.h
index f131627c7..f3a8499a8 100644
--- a/include/rocksdb/comparator.h
+++ b/include/rocksdb/comparator.h
@@ -1,3 +1,7 @@
+// Copyright (c) 2013, Facebook, Inc.  All rights reserved.
+// This source code is licensed under the BSD-style license found in the
+// LICENSE file in the root directory of this source tree. An additional grant
+// of patent rights can be found in the PATENTS file in the same directory.
 // Copyright (c) 2011 The LevelDB Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file. See the AUTHORS file for names of contributors.
diff --git a/include/rocksdb/db.h b/include/rocksdb/db.h
index 3d7bc3ab6..260202091 100644
--- a/include/rocksdb/db.h
+++ b/include/rocksdb/db.h
@@ -1,3 +1,7 @@
+// Copyright (c) 2013, Facebook, Inc.  All rights reserved.
+// This source code is licensed under the BSD-style license found in the
+// LICENSE file in the root directory of this source tree. An additional grant
+// of patent rights can be found in the PATENTS file in the same directory.
 // Copyright (c) 2011 The LevelDB Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file. See the AUTHORS file for names of contributors.
diff --git a/include/rocksdb/env.h b/include/rocksdb/env.h
index 5e4e211aa..73acbfabe 100644
--- a/include/rocksdb/env.h
+++ b/include/rocksdb/env.h
@@ -1,3 +1,7 @@
+// Copyright (c) 2013, Facebook, Inc.  All rights reserved.
+// This source code is licensed under the BSD-style license found in the
+// LICENSE file in the root directory of this source tree. An additional grant
+// of patent rights can be found in the PATENTS file in the same directory.
 // Copyright (c) 2011 The LevelDB Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file. See the AUTHORS file for names of contributors.
diff --git a/include/rocksdb/filter_policy.h b/include/rocksdb/filter_policy.h
index 605b3c401..fa44db45f 100644
--- a/include/rocksdb/filter_policy.h
+++ b/include/rocksdb/filter_policy.h
@@ -1,3 +1,7 @@
+// Copyright (c) 2013, Facebook, Inc.  All rights reserved.
+// This source code is licensed under the BSD-style license found in the
+// LICENSE file in the root directory of this source tree. An additional grant
+// of patent rights can be found in the PATENTS file in the same directory.
 // Copyright (c) 2012 The LevelDB Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file. See the AUTHORS file for names of contributors.
diff --git a/include/rocksdb/flush_block_policy.h b/include/rocksdb/flush_block_policy.h
index 776f476a5..1740d879c 100644
--- a/include/rocksdb/flush_block_policy.h
+++ b/include/rocksdb/flush_block_policy.h
@@ -1,7 +1,7 @@
-//  Copyright (c) 2013, Facebook, Inc.  All rights reserved.
-//  This source code is licensed under the BSD-style license found in the
-//  LICENSE file in the root directory of this source tree. An additional grant
-//  of patent rights can be found in the PATENTS file in the same directory.
+// Copyright (c) 2013, Facebook, Inc.  All rights reserved.
+// This source code is licensed under the BSD-style license found in the
+// LICENSE file in the root directory of this source tree. An additional grant
+// of patent rights can be found in the PATENTS file in the same directory.
 
 #pragma once
 
diff --git a/include/rocksdb/iterator.h b/include/rocksdb/iterator.h
index f729e394f..7538e9cfb 100644
--- a/include/rocksdb/iterator.h
+++ b/include/rocksdb/iterator.h
@@ -1,3 +1,7 @@
+// Copyright (c) 2013, Facebook, Inc.  All rights reserved.
+// This source code is licensed under the BSD-style license found in the
+// LICENSE file in the root directory of this source tree. An additional grant
+// of patent rights can be found in the PATENTS file in the same directory.
 // Copyright (c) 2011 The LevelDB Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file. See the AUTHORS file for names of contributors.
diff --git a/include/rocksdb/ldb_tool.h b/include/rocksdb/ldb_tool.h
index 0a234b9c3..a46b6a758 100644
--- a/include/rocksdb/ldb_tool.h
+++ b/include/rocksdb/ldb_tool.h
@@ -1,4 +1,7 @@
-// Copyright 2008-present Facebook. All Rights Reserved.
+// Copyright (c) 2013, Facebook, Inc.  All rights reserved.
+// This source code is licensed under the BSD-style license found in the
+// LICENSE file in the root directory of this source tree. An additional grant
+// of patent rights can be found in the PATENTS file in the same directory.
 #ifndef STORAGE_ROCKSDB_INCLUDE_LDB_TOOL_H
 #define STORAGE_ROCKSDB_INCLUDE_LDB_TOOL_H
 #include "rocksdb/options.h"
diff --git a/include/rocksdb/memtablerep.h b/include/rocksdb/memtablerep.h
index db51813e5..4147e5f3a 100644
--- a/include/rocksdb/memtablerep.h
+++ b/include/rocksdb/memtablerep.h
@@ -1,3 +1,8 @@
+// Copyright (c) 2013, Facebook, Inc.  All rights reserved.
+// This source code is licensed under the BSD-style license found in the
+// LICENSE file in the root directory of this source tree. An additional grant
+// of patent rights can be found in the PATENTS file in the same directory.
+//
 // This file contains the interface that must be implemented by any collection
 // to be used as the backing store for a MemTable. Such a collection must
 // satisfy the following properties:
diff --git a/include/rocksdb/merge_operator.h b/include/rocksdb/merge_operator.h
index 19e02d2b1..ddb3102e3 100644
--- a/include/rocksdb/merge_operator.h
+++ b/include/rocksdb/merge_operator.h
@@ -1,6 +1,7 @@
-// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file. See the AUTHORS file for names of contributors.
+// Copyright (c) 2013, Facebook, Inc.  All rights reserved.
+// This source code is licensed under the BSD-style license found in the
+// LICENSE file in the root directory of this source tree. An additional grant
+// of patent rights can be found in the PATENTS file in the same directory.
 
 #ifndef STORAGE_ROCKSDB_INCLUDE_MERGE_OPERATOR_H_
 #define STORAGE_ROCKSDB_INCLUDE_MERGE_OPERATOR_H_
diff --git a/include/rocksdb/options.h b/include/rocksdb/options.h
index 45edb85ef..c36d1c613 100644
--- a/include/rocksdb/options.h
+++ b/include/rocksdb/options.h
@@ -1,3 +1,7 @@
+// Copyright (c) 2013, Facebook, Inc.  All rights reserved.
+// This source code is licensed under the BSD-style license found in the
+// LICENSE file in the root directory of this source tree. An additional grant
+// of patent rights can be found in the PATENTS file in the same directory.
 // Copyright (c) 2011 The LevelDB Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file. See the AUTHORS file for names of contributors.
diff --git a/include/rocksdb/perf_context.h b/include/rocksdb/perf_context.h
index 914200807..9e900e050 100644
--- a/include/rocksdb/perf_context.h
+++ b/include/rocksdb/perf_context.h
@@ -1,3 +1,8 @@
+// Copyright (c) 2013, Facebook, Inc.  All rights reserved.
+// This source code is licensed under the BSD-style license found in the
+// LICENSE file in the root directory of this source tree. An additional grant
+// of patent rights can be found in the PATENTS file in the same directory.
+
 #ifndef STORAGE_ROCKSDB_INCLUDE_PERF_CONTEXT_H
 #define STORAGE_ROCKSDB_INCLUDE_PERF_CONTEXT_H
 
diff --git a/include/rocksdb/slice.h b/include/rocksdb/slice.h
index 86199862c..e6cca2137 100644
--- a/include/rocksdb/slice.h
+++ b/include/rocksdb/slice.h
@@ -1,3 +1,7 @@
+// Copyright (c) 2013, Facebook, Inc.  All rights reserved.
+// This source code is licensed under the BSD-style license found in the
+// LICENSE file in the root directory of this source tree. An additional grant
+// of patent rights can be found in the PATENTS file in the same directory.
 // Copyright (c) 2011 The LevelDB Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file. See the AUTHORS file for names of contributors.
diff --git a/include/rocksdb/slice_transform.h b/include/rocksdb/slice_transform.h
index f22e226d0..a78455001 100644
--- a/include/rocksdb/slice_transform.h
+++ b/include/rocksdb/slice_transform.h
@@ -1,3 +1,7 @@
+// Copyright (c) 2013, Facebook, Inc.  All rights reserved.
+// This source code is licensed under the BSD-style license found in the
+// LICENSE file in the root directory of this source tree. An additional grant
+// of patent rights can be found in the PATENTS file in the same directory.
 // Copyright (c) 2012 The LevelDB Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file. See the AUTHORS file for names of contributors.
diff --git a/include/rocksdb/statistics.h b/include/rocksdb/statistics.h
index dd273af1b..7d6a53ff8 100644
--- a/include/rocksdb/statistics.h
+++ b/include/rocksdb/statistics.h
@@ -1,6 +1,7 @@
-// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file. See the AUTHORS file for names of contributors.
+// Copyright (c) 2013, Facebook, Inc.  All rights reserved.
+// This source code is licensed under the BSD-style license found in the
+// LICENSE file in the root directory of this source tree. An additional grant
+// of patent rights can be found in the PATENTS file in the same directory.
 
 #ifndef STORAGE_ROCKSDB_INCLUDE_STATISTICS_H_
 #define STORAGE_ROCKSDB_INCLUDE_STATISTICS_H_
diff --git a/include/rocksdb/status.h b/include/rocksdb/status.h
index dabf7712c..b118e3db4 100644
--- a/include/rocksdb/status.h
+++ b/include/rocksdb/status.h
@@ -1,3 +1,7 @@
+// Copyright (c) 2013, Facebook, Inc.  All rights reserved.
+// This source code is licensed under the BSD-style license found in the
+// LICENSE file in the root directory of this source tree. An additional grant
+// of patent rights can be found in the PATENTS file in the same directory.
 // Copyright (c) 2011 The LevelDB Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file. See the AUTHORS file for names of contributors.
diff --git a/include/rocksdb/table_stats.h b/include/rocksdb/table_stats.h
index 4c3437aea..09acf89bd 100644
--- a/include/rocksdb/table_stats.h
+++ b/include/rocksdb/table_stats.h
@@ -1,6 +1,7 @@
-// Copyright (c) 2013 Facebook
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file. See the AUTHORS file for names of contributors.
+// Copyright (c) 2013, Facebook, Inc.  All rights reserved.
+// This source code is licensed under the BSD-style license found in the
+// LICENSE file in the root directory of this source tree. An additional grant
+// of patent rights can be found in the PATENTS file in the same directory.
 #pragma once
 
 #include <string>
diff --git a/include/rocksdb/transaction_log.h b/include/rocksdb/transaction_log.h
index 30105b5e4..abf072574 100644
--- a/include/rocksdb/transaction_log.h
+++ b/include/rocksdb/transaction_log.h
@@ -1,4 +1,8 @@
-// Copyright 2008-present Facebook. All Rights Reserved.
+// Copyright (c) 2013, Facebook, Inc.  All rights reserved.
+// This source code is licensed under the BSD-style license found in the
+// LICENSE file in the root directory of this source tree. An additional grant
+// of patent rights can be found in the PATENTS file in the same directory.
+
 #ifndef STORAGE_ROCKSDB_INCLUDE_TRANSACTION_LOG_ITERATOR_H_
 #define STORAGE_ROCKSDB_INCLUDE_TRANSACTION_LOG_ITERATOR_H_
 
diff --git a/include/rocksdb/types.h b/include/rocksdb/types.h
index 36cc85f9b..f20bf8277 100644
--- a/include/rocksdb/types.h
+++ b/include/rocksdb/types.h
@@ -1,3 +1,8 @@
+// Copyright (c) 2013, Facebook, Inc.  All rights reserved.
+// This source code is licensed under the BSD-style license found in the
+// LICENSE file in the root directory of this source tree. An additional grant
+// of patent rights can be found in the PATENTS file in the same directory.
+
 #ifndef STORAGE_ROCKSDB_INCLUDE_TYPES_H_
 #define STORAGE_ROCKSDB_INCLUDE_TYPES_H_
 
diff --git a/include/rocksdb/universal_compaction.h b/include/rocksdb/universal_compaction.h
index 46de688fc..ec862b95f 100644
--- a/include/rocksdb/universal_compaction.h
+++ b/include/rocksdb/universal_compaction.h
@@ -1,6 +1,7 @@
-// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file. See the AUTHORS file for names of contributors.
+// Copyright (c) 2013, Facebook, Inc.  All rights reserved.
+// This source code is licensed under the BSD-style license found in the
+// LICENSE file in the root directory of this source tree. An additional grant
+// of patent rights can be found in the PATENTS file in the same directory.
 
 #ifndef STORAGE_ROCKSDB_UNIVERSAL_COMPACTION_OPTIONS_H
 #define STORAGE_ROCKSDB_UNIVERSAL_COMPACTION_OPTIONS_H
diff --git a/include/rocksdb/write_batch.h b/include/rocksdb/write_batch.h
index 028e10d78..798807045 100644
--- a/include/rocksdb/write_batch.h
+++ b/include/rocksdb/write_batch.h
@@ -1,3 +1,7 @@
+// Copyright (c) 2013, Facebook, Inc.  All rights reserved.
+// This source code is licensed under the BSD-style license found in the
+// LICENSE file in the root directory of this source tree. An additional grant
+// of patent rights can be found in the PATENTS file in the same directory.
 // Copyright (c) 2011 The LevelDB Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file. See the AUTHORS file for names of contributors.