diff --git a/help/CommandLine.html b/help/CommandLine.html
index fd3f5edb..9945171e 100644
--- a/help/CommandLine.html
+++ b/help/CommandLine.html
@@ -171,7 +171,9 @@
Support 60Hz(NTSC) video refresh rate and NTSC 1.020MHz base CPU clock (default).
-power-on
Force a power-on.
- Use to auto power-on when not using -d1, -h1 or -load-state.
+ Use to auto power-on when not using -d1, -h1 or -load-state.
+ -snes-max-alt-joy1 or -snes-max-alt-joy2
+ Use alternate button mappings for the SNES MAX card. See Input Settings.
Debug arguments:
diff --git a/help/acknowledgements.html b/help/acknowledgements.html
index ce09755e..4884f11d 100644
--- a/help/acknowledgements.html
+++ b/help/acknowledgements.html
@@ -25,5 +25,6 @@
Iván Izaguirre: Taiwanese Copam Base64A Apple II clone
Arnaud C: debugger suggestions and help with 6502/6522/video timing issues
Cyril Lambin: RGB card/monitor rendering, debugger improvements
+ Alex Lukacz: 4Play & SNES MAX card support