Switch to SPDX, typo.

Author: jhale

ffcx/codegeneration/common.py

@@ -1,6 +1,6 @@
 # Copyright (C) 2025 Paul T. Kühner
 #
-# This file is part of FFCx.(https://www.fenicsproject.org)
+# This file is part of FFCx. (https://www.fenicsproject.org)
 #
 # SPDX-License-Identifier:    LGPL-3.0-or-later
 

ffcx/codegeneration/ufcx.h

@@ -1,9 +1,9 @@
-/// This is UFCx
-/// This software is released under the terms of the unlicense (see the file
-/// UNLICENSE).
-///
-/// The FEniCS Project (http://www.fenicsproject.org/) 2006-2021.
-///
+// Copyright (C) 2006-2021 The FEniCS Project
+//
+// This file is part of FFCx. (https://www.fenicsproject.org)
+//
+// SPDX-License-Identifier:    Unlicense
+
 /// UFCx defines the interface between code generated by FFCx and the
 /// DOLFINx C++ library. Changes here must be reflected both in the FFCx
 /// code generation and in the DOLFINx library calls.