accept issue 3436
diff --git a/Doc/library/csv.rst b/Doc/library/csv.rst
index eef3cfd..2458b3c 100644
--- a/Doc/library/csv.rst
+++ b/Doc/library/csv.rst
@@ -382,6 +382,18 @@
    .. versionadded:: 2.5
 
 
+DictReader objects have the following public attribute:
+
+
+.. attribute:: csvreader.fieldnames
+
+   If not passed as a parameter when creating the object, this attribute is
+   initialized upon first access or when the first record is read from the
+   file.
+
+   .. versionchanged:: 2.6
+
+
 Writer Objects
 --------------