DOC: clarify wording in quickstart ix_() section (#31149)

agp19d · web-flow · commit 6dfe60ef3e45 · 2026-04-09T10:57:10.000-06:00
diff --git a/doc/source/user/quickstart.rst b/doc/source/user/quickstart.rst
@@ -1380,8 +1380,8 @@ and then use it as::
 The advantage of this version of reduce compared to the normal
 ufunc.reduce is that it makes use of the
 :ref:`broadcasting rules <broadcasting-rules>`
-in order to avoid creating an argument array the size of the output
-times the number of vectors.
+in order to avoid creating a temporary array that needs as much memory
+as the output array multiplied by the number of vectors.
 
 Indexing with strings
 ---------------------
