Fixed typo in ReactCommon/buffer/map.h (#34631)

Summary:
Fixed a typo inside ReactCommon.

## Changelog

[General] [Fixed] - Fixed typo in comment

Pull Request resolved: #34631

Test Plan: _This change does not require testing._

Reviewed By: cortinico

Differential Revision: D39382191

Pulled By: cipolleschi

fbshipit-source-id: 73939daaaa6199992019e74fe67d638176c8b58d

ReactCommon/butter/map.h

@@ -23,9 +23,9 @@ namespace facebook {
 namespace butter {
 
 /*
- * Note: In Butter, `map` aliases to `unorderd_map` because everyone agrees that
- * an *ordered* map is nonsense and was a huge mistake for standardization. If
- * you need an *ordered* map, feel free to introduce that as
+ * Note: In Butter, `map` aliases to `unordered_map` because everyone agrees
+ * that an *ordered* map is nonsense and was a huge mistake for standardization.
+ * If you need an *ordered* map, feel free to introduce that as
  * `butter::ordered_map`.
  */