fix documentation

Author: mohsinulhaq

README.md

@@ -25,7 +25,7 @@ yarn add react-popper-tooltip
 ```
 or
 ```html
-<script src="https://unpkg.com/react-popper-tooltip/dist/index.js"></script>
+<script src="https://unpkg.com/react-popper-tooltip"></script>
 ```
 
 ```jsx
@@ -231,10 +231,16 @@ The event that triggers the tooltip. One of `click`, `hover`, `right-click`, `no
 
 ### closeOnOutOfBoundaries
 
-> `boolean` | defaults to `true` 
+> `boolean` | defaults to `true`
 
 Whether to close the tooltip when it's trigger is out of the boundary.
 
+### usePortal
+
+> `boolean` | defaults to `true`
+
+Whether to use `React.createPortal` for creating tooltip.
+
 ### modifiers
 
 > `object` 

src/TooltipTrigger.js

@@ -66,7 +66,7 @@ export default class TooltipTrigger extends PureComponent {
      */
     closeOnOutOfBoundaries: T.bool,
     /**
-     * whether to React.createPortal for creating tooltip
+     * whether to use React.createPortal for creating tooltip
      */
     usePortal: T.bool,
     /**

typings/react-popper-tooltip.d.ts

@@ -99,6 +99,10 @@ declare module 'react-popper-tooltip' {
      * Defaults to true.
      */
     closeOnOutOfBoundaries?: boolean;
+    /** Whether to use React.createPortal for creating tooltip.
+     * Defaults to true.
+     */
+    usePortal?: boolean;
     /**
      * Modifiers passed directly to the underlying popper.js instance. For more
      * information, refer to Popper.js’ [modifier docs](https://popper.js.org/popper-documentation.html#modifiers).