fix: NASA link

README.md

@@ -6,7 +6,7 @@ A collective list of JSON APIs for use in web development.
 |---|---|---|
 | Marvel | Marvel Comics API | [Go!](http://developer.marvel.com) |
 | SWAPI | Star Wars API | [Go!](https://swapi.co) |
-| NASA | NASA data, including imagery | [Go!](https://swapi.co) |
+| NASA | NASA data, including imagery | [Go!](https://api.nasa.gov) |
 | Pokéapi | The RESTful Pokémon API | [Go!](http://pokeapi.co) |
 | Giphy | Get all your gifs | [Go!](https://github.com/Giphy/GiphyAPI) |
 | OMDB | Open movie database | [Go!](http://omdbapi.com) |