docs(readme): Update keybinds

README.md

@@ -130,7 +130,7 @@ See the [LifeWiki for pattern files](https://conwaylife.com/wiki/Category:Patter
 | `space` | Play/pause                                |
 | `m`     | Toggle between modes: smart, place, erase |
 | `↑↓←→`  | Move the game board                       |
-| `w`     | Toggle wrapping                           |
+| `-`/`+` | Zoom                                      |
 | `<`/`>` | Change playback speed                     |
 | `t`     | Tick                                      |
 | `r`     | Reset                                     |