diff --git a/bash/esxi_ks_injector/KS-TEMPLATE.CFG b/bash/esxi_ks_injector/KS-TEMPLATE.CFG
index fa7baef..b2bf709 100644
--- a/bash/esxi_ks_injector/KS-TEMPLATE.CFG
+++ b/bash/esxi_ks_injector/KS-TEMPLATE.CFG
@@ -8,6 +8,7 @@ keyboard German
 reboot
 
 %firstboot --interpreter=busybox
+# customizations below only work when secureboot is disabled.
 
 # Enable SSH
 vim-cmd hostsvc/enable_ssh