Fix typo in docs/options.mdx

Author: Brian-Pob

docs/docs/options.mdx

@@ -121,7 +121,7 @@ import 'react-tooltip/dist/react-tooltip.css'
 | `closeOnEsc`       | `boolean`                  | no        | `false`                   | `true` `false`                                    | Pressing escape key will close the tooltip                                                                                                                      |
 | `style`            | `CSSProperties`            | no        |                           | a React inline style                              | Add inline styles directly to the tooltip                                                                                                                       |
 | `position`         | `{ x: number; y: number }` | no        |                           | any `number` value for both `x` and `y`           | Override the tooltip position on the DOM                                                                                                                        |
-| `isOpen`           | `boolen`                   | no        | handled by internal state | `true` `false`                                    | The tooltip can be controlled or uncontrolled, this attribute can be used to handle show and hide tooltip outside tooltip (can be used **without** `setIsOpen`) |
+| `isOpen`           | `boolean`                   | no        | handled by internal state | `true` `false`                                    | The tooltip can be controlled or uncontrolled, this attribute can be used to handle show and hide tooltip outside tooltip (can be used **without** `setIsOpen`) |
 | `setIsOpen`        | `function`                 | no        |                           |                                                   | The tooltip can be controlled or uncontrolled, this attribute can be used to handle show and hide tooltip outside tooltip                                       |
 | `afterShow`        | `function`                 | no        |                           |                                                   | A function to be called after the tooltip is shown                                                                                                              |
 | `afterHide`        | `function`                 | no        |                           |                                                   | A function to be called after the tooltip is hidden                                                                                                             |