diff --git a/tests/gnrc_ipv6_ext/main.c b/tests/gnrc_ipv6_ext/main.c
index 7c01c996fa..6233c978f6 100644
--- a/tests/gnrc_ipv6_ext/main.c
+++ b/tests/gnrc_ipv6_ext/main.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2015 Freie Universität Berlin
+ * Copyright (C) 2015-2018 Freie Universität Berlin
  *
  * This file is subject to the terms and conditions of the GNU Lesser
  * General Public License v2.1. See the file LICENSE in the top level
@@ -15,6 +15,7 @@
  *
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  * @author      Takuo Yonezawa <Yonezawa-T2@mail.dnp.co.jp>
+ * @author      Martine S. Lenders <m.lenders@fu-berlin.de>
  *
  * @}
  */
diff --git a/tests/gnrc_ipv6_ext_frag/main.c b/tests/gnrc_ipv6_ext_frag/main.c
index 605072be7e..4fd1b4dcec 100644
--- a/tests/gnrc_ipv6_ext_frag/main.c
+++ b/tests/gnrc_ipv6_ext_frag/main.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2015 Freie Universität Berlin
+ * Copyright (C) 2019 Freie Universität Berlin
  *
  * This file is subject to the terms and conditions of the GNU Lesser
  * General Public License v2.1. See the file LICENSE in the top level
@@ -11,10 +11,9 @@
  * @{
  *
  * @file
- * @brief       Tests extension header handling of gnrc stack.
+ * @brief       Tests IPv6 fragmentation header handling of gnrc stack.
  *
- * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
- * @author      Takuo Yonezawa <Yonezawa-T2@mail.dnp.co.jp>
+ * @author      Martine S. Lenders <m.lenders@fu-berlin.de>
  *
  * @}
  */
diff --git a/tests/gnrc_ipv6_ext_frag/tests/01-run.py b/tests/gnrc_ipv6_ext_frag/tests/01-run.py
index 8fa7c1341f..d26bc14403 100755
--- a/tests/gnrc_ipv6_ext_frag/tests/01-run.py
+++ b/tests/gnrc_ipv6_ext_frag/tests/01-run.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 
-# Copyright (C) 2018 Freie Universität Berlin
+# Copyright (C) 2019 Freie Universität Berlin
 #
 # This file is subject to the terms and conditions of the GNU Lesser
 # General Public License v2.1. See the file LICENSE in the top level
diff --git a/tests/gnrc_ndp/main.c b/tests/gnrc_ndp/main.c
index 5fcfbd7c40..fa2df65569 100644
--- a/tests/gnrc_ndp/main.c
+++ b/tests/gnrc_ndp/main.c
@@ -11,10 +11,9 @@
  * @{
  *
  * @file
- * @brief       Tests extension header handling of gnrc stack.
+ * @brief       Tests NDP message handling of gnrc stack.
  *
- * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
- * @author      Takuo Yonezawa <Yonezawa-T2@mail.dnp.co.jp>
+ * @author      Martine S. Lenders <m.lenders@fu-berlin.de>
  *
  * @}
  */
diff --git a/tests/gnrc_sixlowpan/main.c b/tests/gnrc_sixlowpan/main.c
index 4ab6e29a85..66add56154 100644
--- a/tests/gnrc_sixlowpan/main.c
+++ b/tests/gnrc_sixlowpan/main.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2015 Freie Universität Berlin
+ * Copyright (C) 2015-2018 Freie Universität Berlin
  *
  * This file is subject to the terms and conditions of the GNU Lesser
  * General Public License v2.1. See the file LICENSE in the top level
@@ -15,6 +15,7 @@
  *
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  * @author      Takuo Yonezawa <Yonezawa-T2@mail.dnp.co.jp>
+ * @author      Martine S. Lenders <m.lenders@fu-berlin.de>
  *
  * @}
  */
diff --git a/tests/gnrc_sixlowpan_frag/main.c b/tests/gnrc_sixlowpan_frag/main.c
index 299ca68118..6cd5eb385b 100644
--- a/tests/gnrc_sixlowpan_frag/main.c
+++ b/tests/gnrc_sixlowpan_frag/main.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2015 Freie Universität Berlin
+ * Copyright (C) 2019 Freie Universität Berlin
  *
  * This file is subject to the terms and conditions of the GNU Lesser
  * General Public License v2.1. See the file LICENSE in the top level
@@ -11,10 +11,9 @@
  * @{
  *
  * @file
- * @brief       Tests extension header handling of gnrc stack.
+ * @brief       Tests 6LoWPAN fragmentation handling of gnrc stack.
  *
- * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
- * @author      Takuo Yonezawa <Yonezawa-T2@mail.dnp.co.jp>
+ * @author      Martine S. Lenders <m.lenders@fu-berlin.de>
  *
  * @}
  */