fix link

Author: iritkatriel

InternalsDoc/index.md

@@ -8,7 +8,7 @@ can change between any two CPython versions and should not be assumed
 to hold for other implementations of the Python language.
 
 The core dev team attempts to keep this documentation up to date. If
-this is not the case, please `create an issue <https://github.com/python/cpython/issues>`__.
+it is not, please [create an issue](https://github.com/python/cpython/issues).