diff --git a/COPYING b/COPYING
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--- /dev/null
+++ b/COPYING
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+The tiny expression library is released under the zlib licence. Please see
+LICENSE.tinyexpr file for copyrights and details
+
+The rest of the source code of libdice is released under the LGPL v3. Please
+see COPYING.LESSER file for details. Also see the appropriate source files
+for specific copyright notices.
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