diff --git a/tests/p_kernel/kernel_centos_keyring.sh b/tests/p_kernel/kernel_centos_keyring.sh
index 2591e42..0ccab1d 100755
--- a/tests/p_kernel/kernel_centos_keyring.sh
+++ b/tests/p_kernel/kernel_centos_keyring.sh
@@ -1,5 +1,6 @@
 #!/bin/sh
 # Author: Athmane Madjoudj <athmanem@gmail.com>
+# Note: This was a known issue with CentOS 6.0 GA kernel
 
 t_Log "Running $0 -  check CentOS' Kernel Module GPG key."
 
diff --git a/tests/p_ntp/ntp_centos_servers.sh b/tests/p_ntp/ntp_centos_servers.sh
index 315c849..429c2b5 100755
--- a/tests/p_ntp/ntp_centos_servers.sh
+++ b/tests/p_ntp/ntp_centos_servers.sh
@@ -1,5 +1,6 @@
 #!/bin/sh
 # Author: Athmane Madjoudj <athmanem@gmail.com>
+# Ref.: http://bugs.centos.org/view.php?id=4943
 
 t_Log "Running $0 - NTP is using CentOS server pool test."