--- a/Doc/reference/datamodel.rst
+++ b/Doc/reference/datamodel.rst
@@ -1286,7 +1286,7 @@
    of :meth:`__hash__` from a parent class, the interpreter must be told this
    explicitly by setting ``__hash__ = <ParentClass>.__hash__``. Otherwise the
    inheritance of :meth:`__hash__` will be blocked, just as if :attr:`__hash__`
-   had been explicitly set to :const:`None`.
+   had been explicitly set to ``None``.
 
 
    .. note::
@@ -2072,7 +2072,7 @@
 
    Exit the runtime context related to this object. The parameters describe the
    exception that caused the context to be exited. If the context was exited
-   without an exception, all three arguments will be :const:`None`.
+   without an exception, all three arguments will be ``None``.
 
    If an exception is supplied, and the method wishes to suppress the exception
    (i.e., prevent it from being propagated), it should return a true value.