diff --git a/version.h b/version.h
index d821db0..537a44b 100644
--- a/version.h
+++ b/version.h
@@ -16,7 +16,7 @@
 //       UNO Progmem optimized to allow for small EXRAIL Automation scipts
 // 4.0.2 Command Station and EX-RAIL Ehancements & Additions:
 //       New JA, JR, JT commands availabe for Throttle Developers to obtain Route, Roster and Turnout descriptions for communications
-//       Change ACK defaults now set to LIMIT 50mA, MIN 2000uS, MAX 2000uS for more compatibility with non NMRA compliant decoders
+//       Change ACK defaults now set to LIMIT 50mA, MIN 2000uS, MAX 20000uS for more compatibility with non NMRA compliant decoders
 //       New Commands for the Arduino IDE Serial Monitor and JMRI DCC++ Traffic Monitor
 //        </RED signal_id>   to turn a individual LED Signal On & Off
 //        </AMBER signal_id> "