diff --git a/sys/gnu/gcov/gcc_4_7.c b/sys/gnu/gcov/gcc_4_7.c
index fa23d5615870..9bc5e468ad75 100644
--- a/sys/gnu/gcov/gcc_4_7.c
+++ b/sys/gnu/gcov/gcc_4_7.c
@@ -1,8 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License
-// as published by the Free Software Foundation; either version 2
-// of the License.
+// as published by the Free Software Foundation; version 2.
 //
 // This program is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/sys/gnu/gcov/gcov_fs.c b/sys/gnu/gcov/gcov_fs.c
index 30dee2415f4d..7b4e0b8d9252 100644
--- a/sys/gnu/gcov/gcov_fs.c
+++ b/sys/gnu/gcov/gcov_fs.c
@@ -1,8 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License
-// as published by the Free Software Foundation; either version 2
-// of the License.
+// as published by the Free Software Foundation; version 2.
 //
 // This program is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of