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-rw-r--r--src/main/scala/firrtl/graph/EulerTour.scala2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/main/scala/firrtl/graph/EulerTour.scala b/src/main/scala/firrtl/graph/EulerTour.scala
index 5e075ae2..5268f91c 100644
--- a/src/main/scala/firrtl/graph/EulerTour.scala
+++ b/src/main/scala/firrtl/graph/EulerTour.scala
@@ -1,4 +1,4 @@
-// See LICENSE for license details.
+// SPDX-License-Identifier: Apache-2.0
package firrtl.graph