docs: fix typo in Slider (#7621)

* Replace comma operator with semicolon for better readability

Closes #5820

* docs: Update Slider.mdx

* fix other typo

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Co-authored-by: Reid Barber <reid@reidbarber.com>

Author: artola

packages/@react-aria/slider/docs/useSlider.mdx

@@ -375,7 +375,7 @@ function Example() {
 
 ### Custom value scale
 
-By default, slider values are precentages between 0 and 100. A different scale can be used by setting the `minValue` and `maxValue` props.
+By default, slider values are percentages between 0 and 100. A different scale can be used by setting the `minValue` and `maxValue` props.
 
 ```tsx example
 <Slider

packages/react-aria-components/docs/Slider.mdx

@@ -313,7 +313,7 @@ function Example() {
 
 ### Custom value scale
 
-By default, slider values are precentages between 0 and 100. A different scale can be used by setting the `minValue` and `maxValue` props.
+By default, slider values are percentages between 0 and 100. A different scale can be used by setting the `minValue` and `maxValue` props.
 
 ```tsx example
 <MySlider