Fix grammar in functions.rst (#4791)

The previous sentence had an extra "a" before "several", which isn't right.
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Kenji 2023-08-15 10:09:13 -04:00 committed by GitHub
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@ -16,7 +16,7 @@ lifetime of objects managed by them. This can lead to issues when creating
bindings for functions that return a non-trivial type. Just by looking at the
type information, it is not clear whether Python should take charge of the
returned value and eventually free its resources, or if this is handled on the
C++ side. For this reason, pybind11 provides a several *return value policy*
C++ side. For this reason, pybind11 provides several *return value policy*
annotations that can be passed to the :func:`module_::def` and
:func:`class_::def` functions. The default policy is
:enum:`return_value_policy::automatic`.