no-array-reverse: Improve docs (#2711)

Co-authored-by: Sindre Sorhus <[email protected]>

Author: wvanderp

docs/rules/no-array-reverse.md

@@ -7,7 +7,9 @@
 <!-- end auto-generated rule header -->
 <!-- Do not manually modify this header. Run: `npm run fix:eslint-docs` -->
 
-Prefer using [`Array#toReversed()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/reverse) over [`Array#reverse()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/reverse).
+Prefer using [`Array#toReversed()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/toReversed) over [`Array#reverse()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/reverse).
+
+`Array#reverse()` modifies the original array, while `Array#toReversed()` returns a new reversed array.
 
 ## Examples
 
@@ -28,8 +30,8 @@ Type: `object`
 Type: `boolean`\
 Default: `true`
 
-This rule allow `array.reverse()` as an expression statement by default.
-Pass `allowExpressionStatement: false` to forbid `Array#reverse()` even it's an expression statement.
+This rule allows `array.reverse()` to be used as an expression statement by default.\
+Pass `allowExpressionStatement: false` to forbid `Array#reverse()` even if it's an expression statement.
 
 #### Fail