wording fix

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@3839 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -23,7 +23,7 @@ CVS code -
 	  do_unindent_marked_void() (renamed do_unindent()), and
 	  UPGRADE. (DLR, suggested by John M. Gabriele)
 	- Consolidate do_scroll_(up|down)() into do_(up|down)(), as
-	  they have a lot of common code.  New functions do_up_void()
+	  they have a lot of duplicate code.  New functions do_up_void()
 	  and do_down_void(); changes to shortcut_init(), do_up(),
 	  do_scroll_up(), do_down(), do_scroll_down(), do_left(), and
 	  do_right(). (DLR)