Fix links

Author: markshannon

peps/pep-0805.rst

@@ -70,7 +70,8 @@ to one thread (the top-left quadrant), or that it is protected by a mutual exclu
 The PEP also proposes changes to CPython to prevent unsafe execution when mutable objects are shared.
 Finally, the PEP provides a generalization of the GIL to allow incrementally moving away from the GIL.
 
-This PEP is inspired by ideas from OCaml, specifically Data Freedom à la Mode [2]_, and the Pyrona project [3]_.
+This PEP is inspired by ideas from OCaml, specifically `Data Freedom à la Mode<https://dl.acm.org/doi/10.1145/3704859>`__,
+and the `Pyrona project<https://microsoft.github.io/verona/pyrona.html>`__.
 Many of the necessary technologies, such as biased and deferred reference counting, have been developed for :pep:`703`.
 
 Specification