fix: typo

Author: peppelinux

README.md

@@ -1,6 +1,6 @@
 # oidc-op
 
-This project is a Python implementation of an **OIDC Provider** on top of [jwtconnect.io]()https://jwtconnect.io/).
+This project is a Python implementation of an **OIDC Provider** on top of [jwtconnect.io](https://jwtconnect.io/).
 that shows you how to 'build' an OP using the classes and functions provided by oidc-op.
 
 If you are just going to build a standard OP you only have to write the configuration file. If you want to add or replace functionality this documentation