Update docs.md

docs.md

@@ -163,14 +163,24 @@ Next commands available in interactive mode:
 | `q` or `Esc` or `Ctrl`+`c`    | Exit                    |
 | `e`/`E`                       | Expand/Collapse all     |
 | `g`/`G`                       | Goto top/bottom         |
-| `up`/`down` or `left`/`right` | Navigate                |
-| `.`                           | Apply filter            |
+| `up`/`down`                   | Move cursor up/down     |
+| `left`/`right`                | Expand/Collapse         |
+| `.`                           | Edit filter             |
+
+These commands are available when editing the filter:
+
+|             Key               |         Command         |
+|-------------------------------|-------------------------|
+| `Enter`                       | Apply filter            |
+| `Ctrl`+`u`                    | Clear filter            |
+| `Ctrl`+`w`                    | Delete last part        |
+| `up`/`down`                   | Select autocomplete     |
 
 ### Selecting text
 
 You may found what you can't just select text in fx. This is due the fact that all mouse events redirected to stdin. To be able select again you need instruct your terminal not to do it. This can be done by holding special keys while selecting: 
 
-| Key              |   Terminal    |
+|       Key        |   Terminal    |
 |------------------|---------------|
 | `Option`+`Mouse` | iTerm2, Hyper |
 | `Fn`+`Mouse`     | Terminal.app  |