Minor documentation updates.
diff --git a/ASIC-README b/ASIC-README
index e194ec8..1619c44 100644
--- a/ASIC-README
+++ b/ASIC-README
@@ -211,6 +211,7 @@ ASIC SPECIFIC COMMANDS
--bitmain-options Set bitmain options baud:miners:asic:timeout:freq
--bitmain-temp Set bitmain target temperature
--bxf-temp-target <arg> Set target temperature for BXF devices (default: 82)
+--bxm-bits <arg> Set BXM bits for overclocking (default: 50)
--hfa-hash-clock <arg> Set hashfast clock speed (default: 550)
--hfa-fail-drop <arg> Set how many MHz to drop clockspeed each failure on an overlocked hashfast device (default: 10)
--hfa-fan <arg> Set fanspeed percentage for hashfast, single value or range (default: 10-85)
@@ -220,6 +221,7 @@ ASIC SPECIFIC COMMANDS
--hfa-temp-overheat <arg> Set the hashfast overheat throttling temperature (default: 95)
--hfa-temp-target <arg> Set the hashfast target temperature (0 to disable) (default: 88)
--klondike-options <arg> Set klondike options clock:temptarget
+--nfu-bits <arg> Set nanofury bits for overclocking, range 32-63 (default: 50)
ANTMINER S1 DEVICES
diff --git a/README b/README
index edb0cd0..bc3740b 100644
--- a/README
+++ b/README
@@ -189,6 +189,7 @@ Options for both config file and command line:
--bitmain-options Set bitmain options baud:miners:asic:timeout:freq
--bitmain-temp Set bitmain target temperature
--bxf-temp-target <arg> Set target temperature for BXF devices (default: 82)
+--bxm-bits <arg> Set BXM bits for overclocking (default: 50)
--compact Use compact display without per device statistics
--debug|-D Enable debug output
--device|-d <arg> Select device to use, one value, range and/or comma separated (e.g. 0-2,4) default: all