diff --git a/Doc/library/csv.rst b/Doc/library/csv.rst
index 7fb4fc8..559a122 100644
--- a/Doc/library/csv.rst
+++ b/Doc/library/csv.rst
@@ -150,12 +150,15 @@ The :mod:`csv` module defines the following classes:
                       dialect='excel', *args, **kwds)
 
    Create an object which operates like a regular reader but maps the
-   information read into a dict whose keys are given by the optional
+   information read into an :class:`OrderedDict` whose keys are given by the optional
    *fieldnames* parameter.  The *fieldnames* parameter is a :mod:`sequence
    <collections.abc>` whose elements are associated with the fields of the
    input data in order. These elements become the keys of the resulting
-   dictionary.  If the *fieldnames* parameter is omitted, the values in the
-   first row of the *csvfile* will be used as the fieldnames.  If the row read
+   dictionary, with the ordering in which they appear in *fieldnames*.
+
+   If the *fieldnames* parameter is omitted, the values in the
+   first row of the *csvfile* will be used as the fieldnames, in the order
+   that they appear in that row.  If the row read
    has more fields than the fieldnames sequence, the remaining data is added as
    a sequence keyed by the value of *restkey*.  If the row read has fewer
    fields than the fieldnames sequence, the remaining keys take the value of