diff --git a/etc/loopback.conf b/etc/loopback.conf
index 11b1b5eb6..75a470151 100644
--- a/etc/loopback.conf
+++ b/etc/loopback.conf
@@ -1,34 +1,33 @@
-/** This is an example for a minimal loopback configuration.
- *
- * All messages will be sent back to the origin using UDP packets.
- *
- * You can use this configuration in conjunction with the 'send', 'receive' and 'random'
- * utilities as shown below (run all three steps in parallel).
- *
- * 0. Overview:
- *
- *    villas signal --PIPE--> ./pipe  --UDP--> ./node --UDP--> ./pipe
- *
- * 1. Start server:
- *
- *    $ villas node etc/loopback.conf
- *
- * 2. Send random data to server:
- *
- *    $ villas signal random -r 10 -v 4 | villas pipe etc/loopback.conf node1
- *
- * 3. Receive data from server:
- *
- *    $ villas pipe etc/loopback.conf node2
- *
- * The syntax of this file is similar to JSON.
- * A detailed description of the format can be found here:
- *   http://www.hyperrealm.com/libconfig/libconfig_manual.html#Configuration-Files
- *
- * Author: Steffen Vogel <post@steffenvogel.de>
- * SPDX-FileCopyrightText: 2014-2023 Institute for Automation of Complex Power Systems, RWTH Aachen University
- * SPDX-License-Identifier: Apache-2.0
- *********************************************************************************/
+# This is an example for a minimal loopback configuration.
+#
+# All messages will be sent back to the origin using UDP packets.
+#
+# You can use this configuration in conjunction with the 'send', 'receive' and 'random'
+# utilities as shown below (run all three steps in parallel).
+#
+# 0. Overview:
+#
+#    villas signal --PIPE--> ./pipe  --UDP--> ./node --UDP--> ./pipe
+#
+# 1. Start server:
+#
+#    $ villas node etc/loopback.conf
+#
+# 2. Send random data to server:
+#
+#    $ villas signal random -r 10 -v 4 | villas pipe etc/loopback.conf node1
+#
+# 3. Receive data from server:
+#
+#    $ villas pipe etc/loopback.conf node2
+#
+# The syntax of this file is similar to JSON.
+# A detailed description of the format can be found here:
+#   http://www.hyperrealm.com/libconfig/libconfig_manual.html#Configuration-Files
+#
+# Author: Steffen Vogel <post@steffenvogel.de>
+# SPDX-FileCopyrightText: 2014-2023 Institute for Automation of Complex Power Systems, RWTH Aachen University
+# SPDX-License-Identifier: Apache-2.0
 
 nodes = {
 	node1 = {
diff --git a/etc/websocket-client.conf b/etc/websocket-client.conf
index 4bb7cce9b..7b8744b99 100644
--- a/etc/websocket-client.conf
+++ b/etc/websocket-client.conf
@@ -1,13 +1,12 @@
-/** Example configuration file for VILLASnode.
- *
- * The syntax of this file is similar to JSON.
- * A detailed description of the format can be found here:
- *   http://www.hyperrealm.com/libconfig/libconfig_manual.html#Configuration-Files
- *
- * Author: Steffen Vogel <post@steffenvogel.de>
- * SPDX-FileCopyrightText: 2014-2023 Institute for Automation of Complex Power Systems, RWTH Aachen University
- * SPDX-License-Identifier: Apache-2.0
- *********************************************************************************/
+# Example configuration file for VILLASnode.
+#
+# The syntax of this file is similar to JSON.
+# A detailed description of the format can be found here:
+#   http://www.hyperrealm.com/libconfig/libconfig_manual.html#Configuration-Files
+#
+# Author: Steffen Vogel <post@steffenvogel.de>
+# SPDX-FileCopyrightText: 2014-2023 Institute for Automation of Complex Power Systems, RWTH Aachen University
+# SPDX-License-Identifier: Apache-2.0
 
 nodes = {
 	sig = {
diff --git a/etc/websocket-demo.conf b/etc/websocket-demo.conf
index 114f954cd..879d54758 100644
--- a/etc/websocket-demo.conf
+++ b/etc/websocket-demo.conf
@@ -1,13 +1,12 @@
-/** Example configuration file for VILLASnode.
- *
- * The syntax of this file is similar to JSON.
- * A detailed description of the format can be found here:
- *   http://www.hyperrealm.com/libconfig/libconfig_manual.html#Configuration-Files
- *
- * Author: Steffen Vogel <post@steffenvogel.de>
- * SPDX-FileCopyrightText: 2014-2023 Institute for Automation of Complex Power Systems, RWTH Aachen University
- * SPDX-License-Identifier: Apache-2.0
- *********************************************************************************/
+# Example configuration file for VILLASnode.
+#
+# The syntax of this file is similar to JSON.
+# A detailed description of the format can be found here:
+#   http://www.hyperrealm.com/libconfig/libconfig_manual.html#Configuration-Files
+#
+# Author: Steffen Vogel <post@steffenvogel.de>
+# SPDX-FileCopyrightText: 2014-2023 Institute for Automation of Complex Power Systems, RWTH Aachen University
+# SPDX-License-Identifier: Apache-2.0
 
 nodes = {
 	sig = {