Update README.md (#304)

Fix docs url

Author: yooyea

README.md

@@ -53,7 +53,7 @@ It also adds a variety of more basic utilities that are useful across a wide var
 * **CamelCase Conversions**: Convenience functions for converting strings from `snake_case` to `camelCase` or `PascalCase` and back
 * **GUID Type**: The provided GUID type makes it easy to use UUIDs as the primary keys for your database tables
 
-See the [docs](https://https://fastapi-utils.davidmontague.xyz/) for more details and examples.
+See the [docs](https://fastapi-utils.davidmontague.xyz/) for more details and examples.
 
 ## Requirements