Fix typos

snippets/reverseString.md

@@ -10,7 +10,7 @@ lastUpdated: 2020-10-18T14:58:09+03:00
 Reverses a string.
 
 - Use the spread operator (`...`) and `Array.prototype.reverse()` to reverse the order of the characters in the string.
-- Combine characters to get a string using `String.prototype.join()`.
+- Combine characters to get a string using `Array.prototype.join()`.
 
 ```js
 const reverseString = str => [...str].reverse().join('');