diff --git a/avr/com2_lowlevel.asm b/avr/com2_lowlevel.asm
index 839bf62..78e0f87 100644
--- a/avr/com2_lowlevel.asm
+++ b/avr/com2_lowlevel.asm
@@ -195,7 +195,7 @@ com2WaitForAttnHigh_done:
 ; REGS: r22
 
 com2WaitFor1000ns:
-    Utils_WaitNanoSecs 1000, 7, r22 ; wait for 100 nanosecs (minus 3 cycles for rcall, 4 for ret)
+    Utils_WaitNanoSecs 1000, 7, r22 ; wait for 1000 nanosecs (minus 3 cycles for rcall, 4 for ret)
     ret