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-rw-r--r--src/main/scala/firrtl/backends/experimental/smt/SMTExpr.scala2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/main/scala/firrtl/backends/experimental/smt/SMTExpr.scala b/src/main/scala/firrtl/backends/experimental/smt/SMTExpr.scala
index ebb9e309..63692006 100644
--- a/src/main/scala/firrtl/backends/experimental/smt/SMTExpr.scala
+++ b/src/main/scala/firrtl/backends/experimental/smt/SMTExpr.scala
@@ -1,4 +1,4 @@
-// See LICENSE for license details.
+// SPDX-License-Identifier: Apache-2.0
// Author: Kevin Laeufer <laeufer@cs.berkeley.edu>
// Inspired by the uclid5 SMT library (https://github.com/uclid-org/uclid).
// And the btor2 documentation (BTOR2 , BtorMC and Boolector 3.0 by Niemetz et.al.)