-\docparam{bitmap2}{The second bitmap specifies the on-state bitmap for a toggle
-tool. If this is wxNullBitmap, either an inverted version of the primary bitmap is
-used for the on-state of a toggle tool (monochrome displays) or a black
-border is drawn around the tool (colour displays) or the pixmap is shown
-as a pressed button (GTK). }
+\docparam{bitmap2}{The bitmap used when the tool is disabled. If it is equal to
+wxNullBitmap, the disabled bitmap is automatically generated by greing the
+normal one.}