Fixed typo: Upcomimg -> Upcoming (#3082)

README.md

@@ -909,7 +909,7 @@ API | Description | Auth | HTTPS | CORS |
 | [Universalis](https://universalis.app/docs/index.html) | Final Fantasy XIV market board data | No | Yes | Yes |
 | [Valorant (non-official)](https://valorant-api.com) | An extensive API containing data of most Valorant in-game items, assets and more | No | Yes | Unknown |
 | [Wargaming.net](https://developers.wargaming.net/) | Wargaming.net info and stats | `apiKey` | Yes | No |
-| [When is next MCU film](https://github.com/DiljotSG/MCU-Countdown/blob/develop/docs/API.md) | Upcomimg MCU film information | No | Yes | Unknown |
+| [When is next MCU film](https://github.com/DiljotSG/MCU-Countdown/blob/develop/docs/API.md) | Upcoming MCU film information | No | Yes | Unknown |
 | [xkcd](https://xkcd.com/json.html) | Retrieve xkcd comics as JSON | No | Yes | No |
 | [Yu-Gi-Oh!](https://db.ygoprodeck.com/api-guide/) | Yu-Gi-Oh! TCG Information | No | Yes | Unknown |