diff --git a/doc/README.md b/doc/README.md
index 07207960..3affa430 100644
--- a/doc/README.md
+++ b/doc/README.md
@@ -30,3 +30,4 @@ The `$` character represents typing ESC.
 | mv file dir  	|                      | :move file,dir           |
 | ps           	| $$v                  | :listj                   |
 | killall -9 id	| id$j  $^X            | :job id  :kill           |
+| sudo -u u cmd | u$^S cmd             |                          |