diff -r b871ace5c58f Doc/library/datetime.rst
--- a/Doc/library/datetime.rst	Sat Apr 25 00:21:52 2015 +0200
+++ b/Doc/library/datetime.rst	Sat Apr 25 14:45:42 2015 +0800
@@ -666,8 +666,8 @@
 
 .. _datetime-datetime:
 
-:class:`datetime` Objects
--------------------------
+:class:`.datetime` Objects
+--------------------------
 
 A :class:`.datetime` object is a single object containing all the information
 from a :class:`date` object and a :class:`.time` object.  Like a :class:`date`