Add description for Queue; fix typo (whichdbm should be whichdb).
diff --git a/Doc/lib/libsomeos.tex b/Doc/lib/libsomeos.tex
index c04cf7a..3a502a7 100644
--- a/Doc/lib/libsomeos.tex
+++ b/Doc/lib/libsomeos.tex
@@ -20,10 +20,13 @@
\item[thread]
--- Create multiple threads of control within one namespace.
+\item[Queue]
+--- A stynchronized queue class.
+
\item[anydbm]
--- Generic interface to DBM-style database modules.
-\item[whichdbm]
+\item[whichdb]
--- Guess which DBM-style module created a given database.
\item[zlib]