fix markup errors
diff --git a/Doc/lib/libfuncs.tex b/Doc/lib/libfuncs.tex
index f7a5866..7823b1b 100644
--- a/Doc/lib/libfuncs.tex
+++ b/Doc/lib/libfuncs.tex
@@ -884,9 +884,8 @@
\samp{a[start:stop, i]}.
\end{funcdesc}
-\begin{funcdesc}{sorted(\var{iterable}\optional{, \var{cmp}=None
- \optional{, \var{key}=None
- \optional{, \var{reverse}=False}}})}
+\begin{funcdesc}{sorted}{iterable\optional{, cmp\optional{,
+ key\optional{, reverse}}}}
Return a new sorted list from the items in \var{iterable}.
The optional arguments \var{cmp}, \var{key}, and \var{reverse}
have the same meaning as those for the \method{list.sort()} method.