diff --git a/arch/sim/include/arch.h b/arch/sim/include/arch.h
index 32eadcd1789..03e8ae36eb9 100644
--- a/arch/sim/include/arch.h
+++ b/arch/sim/include/arch.h
@@ -14,7 +14,7 @@
  *    notice, this list of conditions and the following disclaimer in
  *    the documentation and/or other materials provided with the
  *    distribution.
- * 3. Neither the name Gregory Nutt nor the names of its contributors may be
+ * 3. Neither the name NuttX nor the names of its contributors may be
  *    used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
diff --git a/arch/sim/include/irq.h b/arch/sim/include/irq.h
index 312154b785e..e5405f0cafe 100644
--- a/arch/sim/include/irq.h
+++ b/arch/sim/include/irq.h
@@ -14,7 +14,7 @@
  *    notice, this list of conditions and the following disclaimer in
  *    the documentation and/or other materials provided with the
  *    distribution.
- * 3. Neither the name Gregory Nutt nor the names of its contributors may be
+ * 3. Neither the name NuttX nor the names of its contributors may be
  *    used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
diff --git a/arch/sim/include/limits.h b/arch/sim/include/limits.h
index 814319c0a62..775d0298d17 100644
--- a/arch/sim/include/limits.h
+++ b/arch/sim/include/limits.h
@@ -14,7 +14,7 @@
  *    notice, this list of conditions and the following disclaimer in
  *    the documentation and/or other materials provided with the
  *    distribution.
- * 3. Neither the name Gregory Nutt nor the names of its contributors may be
+ * 3. Neither the name NuttX nor the names of its contributors may be
  *    used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
diff --git a/arch/sim/include/types.h b/arch/sim/include/types.h
index 9c265bc6db8..214fbb91b97 100644
--- a/arch/sim/include/types.h
+++ b/arch/sim/include/types.h
@@ -14,7 +14,7 @@
  *    notice, this list of conditions and the following disclaimer in
  *    the documentation and/or other materials provided with the
  *    distribution.
- * 3. Neither the name Gregory Nutt nor the names of its contributors may be
+ * 3. Neither the name NuttX nor the names of its contributors may be
  *    used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
diff --git a/arch/sim/src/up_deviceimage.c b/arch/sim/src/up_deviceimage.c
index fd45816ca18..19b7650ec76 100644
--- a/arch/sim/src/up_deviceimage.c
+++ b/arch/sim/src/up_deviceimage.c
@@ -14,7 +14,7 @@
  *    notice, this list of conditions and the following disclaimer in
  *    the documentation and/or other materials provided with the
  *    distribution.
- * 3. Neither the name Gregory Nutt nor the names of its contributors may be
+ * 3. Neither the name NuttX nor the names of its contributors may be
  *    used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
diff --git a/arch/sim/src/up_internal.h b/arch/sim/src/up_internal.h
index e22422aeaa6..7f241e48e3c 100644
--- a/arch/sim/src/up_internal.h
+++ b/arch/sim/src/up_internal.h
@@ -14,7 +14,7 @@
  *    notice, this list of conditions and the following disclaimer in
  *    the documentation and/or other materials provided with the
  *    distribution.
- * 3. Neither the name Gregory Nutt nor the names of its contributors may be
+ * 3. Neither the name NuttX nor the names of its contributors may be
  *    used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
diff --git a/arch/sim/src/up_setjmp.S b/arch/sim/src/up_setjmp.S
index f6388b315cf..56c72370c7e 100644
--- a/arch/sim/src/up_setjmp.S
+++ b/arch/sim/src/up_setjmp.S
@@ -14,7 +14,7 @@
  *    notice, this list of conditions and the following disclaimer in
  *    the documentation and/or other materials provided with the
  *    distribution.
- * 3. Neither the name Gregory Nutt nor the names of its contributors may be
+ * 3. Neither the name NuttX nor the names of its contributors may be
  *    used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *