Merge pull request #3100 from eschnett/patch-9

Update faq.rst

docs/user_guide/source/faq/faq.rst

@@ -107,7 +107,7 @@ C++11: Should I pass adios2:: objects by value or by reference?
 Fortran: Can I pass slices and temporary arrays to adios2_put?
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-By definition the lifetime of a temporary if the scope of the function is passed to. Therefore,
+By definition the lifetime of a temporary is the scope of the function is passed to. Therefore,
 you must use sync mode with ``adios2_put``.
 Deferred mode will save garbage data since the memory location of a temporary is undefined after ``adios2_put``, not able to reach ``adios2_end_step``, ``adios2_close`` or ``adios2_perform_puts`` where the memory is actually used.