Added \label{} for logical addressing.

Logical markup.
diff --git a/Doc/lib/libmisc.tex b/Doc/lib/libmisc.tex
index 2493e32..f895ef5 100644
--- a/Doc/lib/libmisc.tex
+++ b/Doc/lib/libmisc.tex
@@ -1,4 +1,5 @@
 \chapter{Miscellaneous Services}
+\label{misc}
 
 The modules described in this chapter provide miscellaneous services
 that are available in all Python versions.  Here's an overview:
@@ -6,7 +7,7 @@
 \begin{description}
 
 \item[math]
---- Mathematical functions (\code{sin()} etc.).
+--- Mathematical functions (\function{sin()} etc.).
 
 \item[cmath]
 --- Mathematical functions for complex numbers.