docs: :exc:TypeError

flask/app.py

@@ -379,7 +379,7 @@ class Flask(_PackageBoundObject):
         #: A list of functions that are called when :meth:`url_for` raises a
         #: :exc:`~werkzeug.routing.BuildError`.  Each function registered here
         #: is called with `error`, `endpoint` and `values`.  If a function
-        #: returns ``None`` or raises a `BuildError` the next function is
+        #: returns ``None`` or raises a :exc:`BuildError` the next function is
         #: tried.
         #:
         #: .. versionadded:: 0.9

flask/helpers.py

@@ -248,7 +248,7 @@ def url_for(endpoint, **values):
       address can be changed via ``SERVER_NAME`` configuration variable which
       defaults to `localhost`.
     :param _scheme: a string specifying the desired URL scheme. The `_external`
-      parameter must be set to ``True`` or a `ValueError` is raised. The default
+      parameter must be set to ``True`` or a :exc:`ValueError` is raised. The default
       behavior uses the same scheme as the current request, or
       ``PREFERRED_URL_SCHEME`` from the :ref:`app configuration <config>` if no
       request context is available. As of Werkzeug 0.10, this also can be set

flask/json.py

@@ -60,7 +60,7 @@ class JSONEncoder(_json.JSONEncoder):
     def default(self, o):
         """Implement this method in a subclass such that it returns a
         serializable object for ``o``, or calls the base implementation (to
-        raise a ``TypeError``).
+        raise a :exc:`TypeError`).
 
         For example, to support arbitrary iterators, you could implement
         default like this::