fix formatting

Author: skirpichev

peps/pep-0812.rst

@@ -327,19 +327,17 @@ without undue overflow or underflow.
 The ``*`` and ``/`` operators satisfy the following infinity properties for
 all real, imaginary, and complex operands:
 
-   - if one operand is an infinity and the other operand is a nonzero finite
-     number or an infinity, then the result of the ``*`` operator is an
-     infinity;
+- if one operand is an infinity and the other operand is a nonzero finite
+  number or an infinity, then the result of the ``*`` operator is an infinity;
 
-   - if the first operand is an infinity and the second operand is a finite
-     number, then the result of the ``/`` operator is an infinity;
+- if the first operand is an infinity and the second operand is a finite
+  number, then the result of the ``/`` operator is an infinity;
 
-   - if the first operand is a finite number and the second operand is an
-     infinity, then the result of the ``/`` operator is a zero;
+- if the first operand is a finite number and the second operand is an
+  infinity, then the result of the ``/`` operator is a zero;
 
-   - if the first operand is a nonzero finite number or an infinity and the
-     second operand is a zero, then the result of the ``/`` operator is an
-     infinity.
+- if the first operand is a nonzero finite number or an infinity and the second
+  operand is a zero, then the result of the ``/`` operator is an infinity.
 
 
 Imaginary and complex numbers will have disinct string representations: