Fix a lot of markup and meta-information glitches.
diff --git a/Doc/lib/libcollections.tex b/Doc/lib/libcollections.tex
index 9e755b1..475567a 100644
--- a/Doc/lib/libcollections.tex
+++ b/Doc/lib/libcollections.tex
@@ -17,7 +17,7 @@
\subsection{\class{deque} objects \label{deque-objects}}
-\begin{funcdesc}{deque}{\optional{iterable}}
+\begin{classdesc}{deque}{\optional{iterable}}
Returns a new deque object initialized left-to-right (using
\method{append()}) with data from \var{iterable}. If \var{iterable}
is not specified, the new deque is empty.
@@ -32,7 +32,7 @@
for \samp{pop(0)} and \samp{insert(0, v)} operations which change both the
size and position of the underlying data representation.
\versionadded{2.4}
-\end{funcdesc}
+\end{classdesc}
Deque objects support the following methods: