diff --git a/Doc/library/math.rst b/Doc/library/math.rst
index 61a6fd6..5740759 100644
--- a/Doc/library/math.rst
+++ b/Doc/library/math.rst
@@ -83,6 +83,16 @@
    apart" the internal representation of a float in a portable way.
 
 
+.. function:: fsum(iterable)
+
+   Return an accurate floating point sum of values in the iterable.  Avoids
+   loss of precision by tracking multiple intermediate partial sums.  The
+   algorithm's accuracy depends on IEEE-754 arithmetic guarantees and the
+   typical case where the rounding mode is half-even.
+
+   .. versionadded:: 2.6
+
+
 .. function:: isinf(x)
 
    Checks if the float *x* is positive or negative infinite.
@@ -112,16 +122,6 @@
    *x*, and both are floats.
 
 
-.. function:: sum(iterable)
-
-   Return an accurate floating point sum of values in the iterable.  Avoids
-   loss of precision by tracking multiple intermediate partial sums.  The
-   algorithm's accuracy depends on IEEE-754 arithmetic guarantees and the
-   typical case where the rounding mode is half-even.
-
-   .. versionadded:: 2.6
-
-
 .. function:: trunc(x)
 
    Return the :class:`Real` value *x* truncated to an :class:`Integral` (usually