Update README.

keyboards/nyquist/keymaps/333fred/README.md

@@ -68,8 +68,8 @@ Gaming mode (Raise)
 |------+------+------+------+------+------+------+------+------+------+------+------|
 | CTRL |      |      |      |   F  |      |      |      |      |      |      |      |
 |------+------+------+------+------+------+------+------+------+------+------+------|
-| Shift|   Z  |      |      |      |      |      |      |      |      |      |      |
+| Shift|   Z  |      |      |      |      |      |      |      |      |      |  GUI |
 |------+------+------+------+------+------+------+------+------+------+------+------|
-| Enter|      | Lock |      | Alt  |  Spc | Lower| Left |  Up  | Down | Right|QWERTY|
+| Enter|      | Lock | Bksp | Alt  |  Spc | Lower| Left |  Up  | Down | Right|QWERTY|
 `-----------------------------------------------------------------------------------'
 ```