diff --git a/README.md b/README.md
index 504a977..c01f535 100644
--- a/README.md
+++ b/README.md
@@ -42,7 +42,7 @@ Key | Action
 `TAB` | Toggle between row, column or cell selection modes
 `>` | Increase selected column's width
 `<` | Decrease selected column's width
-`Shift + ↓` (or `Shift + j`) | Sort rows by the selected column
+`Shift + ↓` (or `Shift + j`) | Sort rows or toggle sort direction by the selected column
 `#` (in Cell mode) | Find and highlight rows like the selected cell
 `@` (in Cell mode) | Filter rows like the selected cell
 `y` (in Cell Mode) | Copy the selected cell to clipboard