--- a/emacs.rst	Sun Aug 07 23:39:37 2011 +0300
+++ b/emacs.rst	Sun Aug 07 23:49:14 2011 +0300
@@ -457,7 +457,7 @@
 
 * Useful commands.
 
-  flush-lines
+  flush-lines keep-lines
   align-regexp
   C-x C-o
   M-PageUp/M-PageDown