diff --git a/COPYING.3rdparty b/COPYING.3rdparty
index 8c66c27e5d..52b69deecb 100644
--- a/COPYING.3rdparty
+++ b/COPYING.3rdparty
@@ -115,18 +115,18 @@ DEALINGS IN THE SOFTWARE.
 
 ==============================================================================
 
-%%% fifo_map.hpp
+%%% tsl-ordered-map
 
 ==============================================================================
 
-Copyright (c) 2015-2017 Niels Lohmann.
+Copyright (c) 2017 Tessil
 
-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:
+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.