Update Doc/library/cmath.rst

Co-authored-by: Bénédikt Tran <[email protected]>

Author: skirpichev

Doc/library/cmath.rst

@@ -38,12 +38,12 @@ the function is then applied to the result of the conversion.
       1.4142135623730951j
 
 
-Most functions compute and return the C99 Annex G recommended result.  If the
-standard recommends raising ``FE_DIVBYZERO`` or ``FE_INVALID`` floating-point
-exceptions --- a :exc:`ValueError` is raised and the recommended result is
-available as the ``value`` attribute of the exception object.  If range error
-occurs due to overflow in any component of the result --- a :exc:`OverflowError`
-is raised.
+Most functions compute and return the C99 Annex G recommended result.
+If the standard recommends raising ``FE_DIVBYZERO`` or ``FE_INVALID``
+floating-point exceptions, a :exc:`ValueError` is raised and the recommended
+result is available as the ``value`` attribute of the exception object.
+If a range error occurs due to an overflow in any component of the result,
+an :exc:`OverflowError` is raised.
 
 
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