1 files changed, 5 insertions, 20 deletions

diff --git a/src/common/cityhash.h b/src/common/cityhash.h
index d74fc7639..627ba81cd 100644
--- a/src/common/cityhash.h
+++ b/src/common/cityhash.h
@@ -1,23 +1,8 @@
-// Copyright (c) 2011 Google, Inc.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
-//
+// SPDX-FileCopyrightText: 2011 Google, Inc.
+// SPDX-FileContributor: Geoff Pike
+// SPDX-FileContributor: Jyrki Alakuijala
+// SPDX-License-Identifier: MIT
+
 // CityHash, by Geoff Pike and Jyrki Alakuijala
 //
 // http://code.google.com/p/cityhash/