[3.12] gh-131094: Refine math.isclose docs (GH-131139) (#131393)

miss-islington · guyjacoby · web-flow · commit c23a2d3bdc6e · 2025-03-18T09:20:52.000Z
gh-131094: Refine `math.isclose` docs (GH-131139) (cherry picked from commit 3f50f96) Co-authored-by: Guy Jacoby <49398101+guyjacoby@users.noreply.github.com>
diff --git a/Doc/library/math.rst b/Doc/library/math.rst
@@ -155,8 +155,8 @@ Number-theoretic and representation functions
 
    *abs_tol* is the absolute tolerance; it defaults to ``0.0`` and it must be
    nonnegative.  When comparing ``x`` to ``0.0``, ``isclose(x, 0)`` is computed
-   as ``abs(x) <= rel_tol  * abs(x)``, which is ``False`` for any ``x`` and
-   rel_tol less than ``1.0``.  So add an appropriate positive abs_tol argument
+   as ``abs(x) <= rel_tol  * abs(x)``, which is ``False`` for any nonzero ``x`` and
+   *rel_tol* less than ``1.0``.  So add an appropriate positive *abs_tol* argument
    to the call.
 
    The IEEE 754 special values of ``NaN``, ``inf``, and ``-inf`` will be
