diff --git a/avr/modules/flash/send.asm b/avr/modules/flash/send.asm
index 9c6cd53..1b52976 100644
--- a/avr/modules/flash/send.asm
+++ b/avr/modules/flash/send.asm
@@ -47,10 +47,10 @@ flashSendPacket_error:
 ; - nothing
 ; OUT:
 ; - nothing
-; REGS: (R16, R17, R18, R22, R24, R25, X)
+; REGS: (R16, R17, R18, R22, R24, R25)
 
 flashWaitForAttnHigh:
-    rcall com2WaitForAttnHigh             ; (r17, r22, X)
+    rcall com2WaitForAttnHigh             ; (r17, r22)
     brcc flashWaitForAttnHigh_stillLow
     ret
 flashWaitForAttnHigh_stillLow: