diff --git a/Usage.md b/Usage.md
index 1a4010d..4410fd2 100644
--- a/Usage.md
+++ b/Usage.md
@@ -186,6 +186,8 @@ optional args:
  -h      show help
 ```
 
+Note: The keys for option `-T` are 'a'pparent disk usage / 'd'isk usage / 'e'xtension / 'r'evision / 's'ize / 't'ime / 'v'ersion.
+
 ## Keyboard, mouse
 
 The list below is from **master**. Press <kbd>?</kbd> in `nnn` to see the keybinds in your installed version.
@@ -237,6 +239,7 @@ Notes:
 4. <kbd>Q</kbd> quits with `EXIT_FAILURE` if no selection, else prints the selection to stdout and quits with `EXIT_SUCCESS`.
 5. Help & settings, file details and archive listing are shown in the `$PAGER`.
 6. To change shortcuts modify key bindings in `nnn.h` and compile. Option `-K` detects collisions.
+7. Repeat sort order key <kbd>^T</kbd> to apply sort by time, size and default in the same order.
 
 #### Graphical map