diff --git a/Doc/libfm.tex b/Doc/libfm.tex
index 45d820c..6f1e685 100644
--- a/Doc/libfm.tex
+++ b/Doc/libfm.tex
@@ -1,4 +1,5 @@
 \section{Built-in Module \sectcode{fm}}
+\label{module-fm}
 \bimodindex{fm}
 
 This module provides access to the IRIS {\em Font Manager} library.