Link specifically to the UCD version 5.2.0.
diff --git a/Doc/library/unicodedata.rst b/Doc/library/unicodedata.rst
index 8b7673d..c765d74 100644
--- a/Doc/library/unicodedata.rst
+++ b/Doc/library/unicodedata.rst
@@ -20,8 +20,8 @@
available from ftp://ftp.unicode.org/.
The module uses the same names and symbols as defined by the UnicodeData File
-Format 5.2.0 (see http://www.unicode.org/reports/tr44/). It defines the
-following functions:
+Format 5.2.0 (see http://www.unicode.org/reports/tr44/tr44-4.html).
+It defines the following functions:
.. function:: lookup(name)