--- rxvt-unicode/doc/rxvt.1.pod	2005/12/22 16:44:10	1.74
+++ rxvt-unicode/doc/rxvt.1.pod	2005/12/27 01:50:00	1.75
@@ -1081,8 +1081,10 @@
 B<tripleclickwords>.
 
 Starting a selection while pressing the B<Meta> key (or B<Meta+Ctrl> keys)
-(Compile: I<frills>) will create a rectangular selection instead of a normal
-one.
+(Compile: I<frills>) will create a rectangular selection instead of a
+normal one. In this mode, every selected row becomes its own line in the
+selection, and trailing whitespace is visually underlined and removed from
+the selection.
 
 =item B<Insertion>: