diff --git a/man/xsetwacom.man b/man/xsetwacom.man
index ad63179a..46040145 100644
--- a/man/xsetwacom.man
+++ b/man/xsetwacom.man
@@ -103,10 +103,22 @@ The set is defined device's native orientation, regardless of the actual rotatio
 applied.
 .TP
 \fBButton\fR button-number [mapping]
-Set a mapping for the specified button-number. Mappings take the form of
+.TQ
+\fBAbsWheelUp\fR [mapping]
+.TQ
+\fBAbsWheelDown\fR [mapping]
+.TQ
+\fBAbsWheel2Up\fR [mapping]
+.TQ
+\fBAbsWheel2Down\fR [mapping]
+.TQ
+\fBRelWheelUp\fR [mapping]
+.TQ
+\fBRelWheelDown\fR [mapping]
+Set a mapping for the specified control. Mappings take the form of
 either a single numeric button or an 'action' to be performed. If no mapping
-is provided, the default mapping is restored. If button-number is mapped
-to 0, the Button event is ignored.
+is provided, the default mapping is restored. If a control is mapped
+to 0, the event is ignored.
 
 Numeric button mappings indicate what X11 button number the given button-number
 should correspond to. For example, a mapping of "3" means a press of the given
diff --git a/tools/xsetwacom.c b/tools/xsetwacom.c
index 9394b960..a4a6d3a0 100644
--- a/tools/xsetwacom.c
+++ b/tools/xsetwacom.c
@@ -332,7 +332,7 @@ static param_t parameters[] =
 	},
 	{
 		.name = "AbsWheel2Up",
-		.desc = "X11 event to which absolute wheel up should be mapped. ",
+		.desc = "X11 event to which 2nd absolute wheel up should be mapped. ",
 		.prop_name = WACOM_PROP_WHEELBUTTONS,
 		.prop_format = 8,
 		.prop_offset = 4,
@@ -342,7 +342,7 @@ static param_t parameters[] =
 	},
 	{
 		.name = "AbsWheel2Down",
-		.desc = "X11 event to which absolute wheel down should be mapped. ",
+		.desc = "X11 event to which 2nd absolute wheel down should be mapped. ",
 		.prop_name = WACOM_PROP_WHEELBUTTONS,
 		.prop_format = 8,
 		.prop_offset = 5,