Merge pull request #18 from brettcannon/fix-pep523

Fix some reST errors in PEP 523

Author: brettcannon

pep-0523.txt

@@ -345,9 +345,6 @@ References
 .. [#pyeval_evalframeex] ``PyEval_EvalFrameEx()``
    (https://docs.python.org/3/c-api/veryhigh.html?highlight=pyframeobject#c.PyEval_EvalFrameEx)
 
-.. [#pycodeobject] ``PyCodeObject``
-   (https://docs.python.org/3/c-api/code.html#c.PyCodeObject)
-
 .. [#numba] Numba
    (http://numba.pydata.org/)
 
@@ -373,6 +370,9 @@ References
 .. [#coconut] Coconut
    (https://github.com/davidmalcolm/coconut)
 
+.. [#pybench] pybench
+   (https://hg.python.org/cpython/file/default/Tools/pybench)
+
 
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