diff --git a/src/system/ether.1 b/src/system/ether.1
index a1eff941..23f030f2 100644
--- a/src/system/ether.1
+++ b/src/system/ether.1
@@ -410,8 +410,10 @@ UNTXRI:	0			;Transmit ring index (next free slot)
 UNRXRI:	0			;Receive ring index (next used slot)
 
 UNADNI:	CPOPJ			;Call this after a DNI interrupt
+;FIXME This should usually be a function that checks whether a rescan is required
 UNARCB:	0			;Have we seen an RCBI interrupt?
 ;FIXME A flags word would make more sense (if we ever need a second flag!)
+;-> scan required is a second flag
 
 BBLK