diff --git a/config/26.1/SMP-ARM b/config/26.1/SMP-ARM
index 5aafb44..0aed912 100644
--- a/config/26.1/SMP-ARM
+++ b/config/26.1/SMP-ARM
@@ -15,6 +15,8 @@ options		MROUTING
 options		PPS_SYNC
 options		RSS
 options		TCP_SIGNATURE
+
+# ARM specific
 options		UNIONFS
 
 # Additional built-in devices