remove "support" for BerkeleyDB 3.1, it hasn't worked for a long time
diff --git a/Doc/lib/libbsddb.tex b/Doc/lib/libbsddb.tex
index 88398a9..f625dab 100644
--- a/Doc/lib/libbsddb.tex
+++ b/Doc/lib/libbsddb.tex
@@ -15,8 +15,8 @@
serialize them somehow, typically using marshal.dumps or pickle.dumps.
Starting with Python 2.3 the \module{bsddb} module requires the
-Berkeley DB library version 3.1 or later (it is known to work with 3.1
-thru 4.1 at the time of this writing).
+Berkeley DB library version 3.2 or later (it is known to work with 3.2
+thru 4.2 at the time of this writing).
\begin{seealso}
\seeurl{http://pybsddb.sourceforge.net/}{Website with documentation