diff --git a/PS2_Soarer_Converter/xarcade_mister.txt b/PS2_Soarer_Converter/xarcade_mister.txt
index 7007e64..5103f55 100644
--- a/PS2_Soarer_Converter/xarcade_mister.txt
+++ b/PS2_Soarer_Converter/xarcade_mister.txt
@@ -5,18 +5,20 @@
 # important!:
 force set2ext
 
-# /media/fat/MiSTer.ini
+# https://mister-devel.github.io/MkDocs_MiSTer/advanced/diy2parcade/
+# /media/fat/MiSTer.ini:
 # jamma_vid=16C0
 # jamma_pid=047D
 
 # VID = 16C0, PID = 047D.
-# https://mister-devel.github.io/MkDocs_MiSTer/advanced/diy2parcade/
 # Connect your modded arcade keyboard to USB and start Menu core, then go to Define Joystick buttons. 
 # Press any button, and you will see "Keyboard ID: XXXX:YYYY" where XXXX:YYYY is HW identifier of the keyboard. Press ESC to ext from this dialog.
 # Now open MiSTer.ini and add following options there:
 # jamma_vid=XXXX
 # jamma_pid=YYYY
 
+# X-Arcade:
+
 # UP1 = PAD_8 (0x75)
 # DOWN1 = PAD_2 (0x72)
 # LEFT1 = PAD_4 (0x6b)
@@ -47,6 +49,15 @@ force set2ext
 # L2 = RIGHT_BRACE (0x5b)
 # R2 = 6 (0x36)
 
+# not enough buttons to support these:
+#        9,         Test
+#        TAB,       Tab (shift + 1P right)
+#        ENTER,     Enter (shift + 1P left)
+#        P,         P (pause) (shift + 1P down)
+#        F1,        Service
+#        F2,        Test
+#        F3,        Tilt
+
 remapblock
 	# left controller
 	3 	5		# SELECT1 -> 1P coin