Fix a typo in the README.

Author: afoucret

README.md

@@ -477,6 +477,6 @@ We welcome contributors to the project. Before you begin, a couple notes...
 
 ## License 📗
 
-[Apache 2.0](https://github.com/elastic/site-search-php/blob/master/LICENSE) © [Elastic](https://github.com/elastic)
+[Apache 2.0](https://github.com/elastic/site-search-python/blob/master/LICENSE) © [Elastic](https://github.com/elastic)
 
-Thank you to all the [contributors](https://github.com/elastic/site-search-php/graphs/contributors)!
+Thank you to all the [contributors](https://github.com/elastic/site-search-python/graphs/contributors)!