--- a/doc/SIM-hardware-debugging	Tue Jun 18 06:00:07 2019 +0000
+++ b/doc/SIM-hardware-debugging	Tue Jun 18 06:14:17 2019 +0000
@@ -31,6 +31,9 @@
 poll on
 reset 1
 
+(Update for fc-host-tools-r11: the explicit abbinit command is no longer needed,
+ but it is harmless to issue this extra command like before.)
+
 You can change volt 1.8 to volt 3 if needed, but all recently made SIMs prefer
 1.8 V and merely tolerate higher voltages.  TI's Iota ABB chip, which is what
 we target in FreeCalypso, does not support 5V SIMs - it doesn't have a charge
@@ -45,7 +48,7 @@
 final command transitions the SIM reset line from low to high, if the SIM has
 been given good power and clock prior to this event, this transition causes it
 to initialize and emit its Answer To Reset, and once you issue the poll on
-command, our simtest programs listens for incoming bytes from the SIM at the
+command, our simtest program listens for incoming bytes from the SIM at the
 same time while it listens for you to type further commands.
 
 If you execute the above command sequence with a known-good SIM inserted in the