fix naming

snippets/reverse-string.md

@@ -0,0 +1,9 @@
+### Reverse a string
+
+Use array destructuring and `Array.reverse()` to reverse the order of the characters in the string.
+Combine characters to get a string using `join('')`.
+
+```js
+const reverseString = str => [...str].reverse().join('');
+// reverseString('foobar') -> 'raboof'
+```