--- xmodmap.man.old	2014-04-06 04:40:09.771998737 +0200
+++ xmodmap.man	2014-04-06 04:45:25.797565823 +0200
@@ -148,11 +148,14 @@
 (which may be specified in decimal, hex or octal and can be determined by 
 running the
 .I xev
-program).  Up to eight keysyms may be attached to a key, however the last four
+program).  Up to eight keysyms may be attached to a key, however the last two
 are not used in any major X server implementation.  The first keysym is used
-when no modifier key is pressed in conjunction with this key, the second with
-Shift, the third when the Mode_switch key is used with this key and the fourth
-when both the Mode_switch and Shift keys are used.
+when no modifier key is pressed in conjunction with this key, the
+third when the Mode_switch key is used with this key, and the fifth
+when the ISO_Level3_Shift key is used with this key.  ISO_Level3_Shift
+is ignored if Mode_switch is active.  If the shift key is pressed at
+the same time then that causes the next keysym along to be used
+(second, fourth, sixth respectively).
 .TP 8
 .B keycode any = \fIKEYSYMNAME ...\fP
 If no existing key has the specified list of keysyms assigned to it,