At least mention pytype

docs/types.rst

@@ -35,13 +35,13 @@ Attributes that only carry a class annotation do not have that object so trying
 
 Please note that types -- however added -- are *only metadata* that can be queried from the class and they aren't used for anything out of the box!
 
-In practice, their biggest usefulness shows in combination with mypy.
+In practice, their biggest usefulness shows in combination with mypy_ or pytype_ that both have dedicated support for ``attrs`` classes.
 
 
 mypy
 ----
 
-While having a nice syntax for type metadata is great, it's even greater that `mypy <http://mypy-lang.org>`_ as of 0.570 ships with a dedicated ``attrs`` plugin which allows you to statically check your code.
+While having a nice syntax for type metadata is great, it's even greater that mypy_ as of 0.570 ships with a dedicated ``attrs`` plugin which allows you to statically check your code.
 
 Imagine you add another line that tries to instantiate the defined class using ``SomeClass("23")``.
 Mypy will catch that error for you:
@@ -68,3 +68,7 @@ To mypy, this code is equivalent to the one above:
 The addition of static types is certainly one of the most exciting features in the Python ecosystem and helps you writing *correct* and *verified self-documenting* code.
 
 If you don't know where to start, Carl Meyer gave a great talk on `Type-checked Python in the Real World <https://www.youtube.com/watch?v=pMgmKJyWKn8>`_ at PyCon US 2018 that will help you to get started in no time.
+
+
+.. _mypy: http://mypy-lang.org
+.. _pytype: https://google.github.io/pytype/