Update parallel_for_each_func.rst

source/elements/oneTBB/source/algorithms/functions/parallel_for_each_func.rst

@@ -40,7 +40,7 @@ Requirements:
 * The ``InputIterator`` type must meet the `Input Iterator` requirements from the [input.iterators]section of the ISO C++ Standard.
 * The ``Container`` type must meet the :doc:`ContainerBasedSequence requirements <../../named_requirements/algorithms/container_based_sequence>`.
 * If ``InputIterator`` type does not meet the `Forward Iterator` requirements from the [forward.iterators] section of the ISO C++ Standard,
-  the ``std::iterator_traits<InputIterator>::value_type`` type must constructible from ``std::iterator_traits<InputIterator>::reference``.
+  the ``std::iterator_traits<InputIterator>::value_type`` type must be constructible from ``std::iterator_traits<InputIterator>::reference``.
 * ``decltype(std::declval<Container>().begin())`` must meet the `Input Iterator` requirements from the [input.iterators] section of the ISO C++ Standard.
 
 The ``parallel_for_each`` template has two forms.