diff --git a/src/emu/nanos6/breakdown.c b/src/emu/nanos6/breakdown.c
index e976c7c..ad4e548 100644
--- a/src/emu/nanos6/breakdown.c
+++ b/src/emu/nanos6/breakdown.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2021-2023 Barcelona Supercomputing Center (BSC)
+/* Copyright (c) 2023 Barcelona Supercomputing Center (BSC)
  * SPDX-License-Identifier: GPL-3.0-or-later */
 
 #include "breakdown.h"
@@ -128,7 +128,7 @@ select_tr(struct mux *mux, struct value value, struct mux_input **input)
 			return 0;
 		}
 	}
-	
+
 	int64_t i = in_body;
 	char *inputs[] = { "subsystem", "task_type" };
 	dbg("selecting input %ld (%s)", i, inputs[i]);
diff --git a/src/emu/nanos6/breakdown.h b/src/emu/nanos6/breakdown.h
index d54b92c..dad9388 100644
--- a/src/emu/nanos6/breakdown.h
+++ b/src/emu/nanos6/breakdown.h
@@ -1,3 +1,6 @@
+/* Copyright (c) 2023 Barcelona Supercomputing Center (BSC)
+ * SPDX-License-Identifier: GPL-3.0-or-later */
+
 #ifndef BREAKDOWN_H
 #define BREAKDOWN_H
 
diff --git a/src/emu/sort.c b/src/emu/sort.c
index 5e843ca..4eb0057 100644
--- a/src/emu/sort.c
+++ b/src/emu/sort.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2021-2023 Barcelona Supercomputing Center (BSC)
+/* Copyright (c) 2023 Barcelona Supercomputing Center (BSC)
  * SPDX-License-Identifier: GPL-3.0-or-later */
 
 #include "sort.h"
diff --git a/src/emu/sort.h b/src/emu/sort.h
index 7860701..9519643 100644
--- a/src/emu/sort.h
+++ b/src/emu/sort.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2021-2023 Barcelona Supercomputing Center (BSC)
+/* Copyright (c) 2023 Barcelona Supercomputing Center (BSC)
  * SPDX-License-Identifier: GPL-3.0-or-later */
 
 #ifndef SORT_H
diff --git a/test/emu/nanos6/breakdown-no-black.c b/test/emu/nanos6/breakdown-no-black.c
index 17a5b1e..3125c16 100644
--- a/test/emu/nanos6/breakdown-no-black.c
+++ b/test/emu/nanos6/breakdown-no-black.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2021-2023 Barcelona Supercomputing Center (BSC)
+/* Copyright (c) 2023 Barcelona Supercomputing Center (BSC)
  * SPDX-License-Identifier: GPL-3.0-or-later */
 
 #include <stdio.h>
@@ -11,7 +11,7 @@
  * thread that emits the first Nanos6 event later than the ovni thread execute
  * event OHx. When the breakdown model is enabled, the output breakdown PRV
  * trace should contain already a value for time=0, which is when OHx is
- * emitted. We also test that on 6W[ we emit another non-zero state. 
+ * emitted. We also test that on 6W[ we emit another non-zero state.
  *
  *               .              .
  *               OHx            6W[
diff --git a/test/unit/sort.c b/test/unit/sort.c
index 17e3506..77a1fbd 100644
--- a/test/unit/sort.c
+++ b/test/unit/sort.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2021-2023 Barcelona Supercomputing Center (BSC)
+/* Copyright (c) 2023 Barcelona Supercomputing Center (BSC)
  * SPDX-License-Identifier: GPL-3.0-or-later */
 
 #include "emu/sort.h"
diff --git a/test/unit/sort_replace.c b/test/unit/sort_replace.c
index 5b9af30..f569cfe 100644
--- a/test/unit/sort_replace.c
+++ b/test/unit/sort_replace.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2021-2023 Barcelona Supercomputing Center (BSC)
+/* Copyright (c) 2023 Barcelona Supercomputing Center (BSC)
  * SPDX-License-Identifier: GPL-3.0-or-later */
 
 #include <stdint.h>