diff --git a/samples/bpf/ibumad_kern.c b/samples/bpf/ibumad_kern.c
index 26dcd4dde946d..9b193231024a6 100644
--- a/samples/bpf/ibumad_kern.c
+++ b/samples/bpf/ibumad_kern.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
 
-/**
+/*
  * ibumad BPF sample kernel side
  *
  * This program is free software; you can redistribute it and/or
diff --git a/samples/bpf/ibumad_user.c b/samples/bpf/ibumad_user.c
index d83d8102f489e..0746ca516097c 100644
--- a/samples/bpf/ibumad_user.c
+++ b/samples/bpf/ibumad_user.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
 
-/**
+/*
  * ibumad BPF sample user side
  *
  * This program is free software; you can redistribute it and/or