Added \label{} for logical addressing.
diff --git a/Doc/libsun.tex b/Doc/libsun.tex
index f6d9994..68d2c8b 100644
--- a/Doc/libsun.tex
+++ b/Doc/libsun.tex
@@ -5,6 +5,7 @@
 latter is also known as Solaris version 2).
 
 \section{Built-in Module \sectcode{sunaudiodev}}
+\label{module-sunaudiodev}
 \bimodindex{sunaudiodev}
 
 This module allows you to access the sun audio interface. The sun