Update shortcuts_and_apps_setup.md

docs/shortcuts_and_apps_setup.md

@@ -152,7 +152,7 @@ Some of them are re-mapped :
 | Select multiple occurrences of a word            | alt j                                        |                                                                                                                    |
 | all case-sensitively matching words              | Ctrl Alt Shift J                             |                                                                                                                    |
 | move bloc                                        | ctrl + shift + arrow                         |                                                                                                                    |
-| refactor                                         | alt+r + first option                         |                                                                                                                    |                                        |
+| refactor (change signature:add/remove parameter) | alt+r + first option                         |                                                                                                                    |                                        |
 | rename                                           | alt+r then select the second option (rename) |                                                                                                                    |
 | delete/cut line                                  | ctrl+x                                       |                                                                                                                    |
 | duplicate line                                   | ctrl+d                                       |                                                                                                                    |