Fix typo in math.prod example (GH-15614)

(cherry picked from commit 1a8de82d3a30ecc7ed18a5ad51a0e17417ebfb89)

Co-authored-by: Ashwin Vishnu <9155111+ashwinvis@users.noreply.github.com>
diff --git a/Doc/whatsnew/3.8.rst b/Doc/whatsnew/3.8.rst
index 4a1362d..2b4eb63 100644
--- a/Doc/whatsnew/3.8.rst
+++ b/Doc/whatsnew/3.8.rst
@@ -767,7 +767,7 @@
 
     >>> prior = 0.8
     >>> likelihoods = [0.625, 0.84, 0.30]
-    >>> (link: http://math.prod) math.prod(likelihoods, start=prior)
+    >>> math.prod(likelihoods, start=prior)
     0.126
 
 (Contributed by Pablo Galindo in :issue:`35606`)