Added index entries.
diff --git a/Doc/libfm.tex b/Doc/libfm.tex
index f137740..bac5d39 100644
--- a/Doc/libfm.tex
+++ b/Doc/libfm.tex
@@ -3,6 +3,8 @@
 \bimodindex{fm}
 
 This module provides access to the IRIS \emph{Font Manager} library.
+\index{Font Manager, IRIS}
+\index{IRIS Font Manager}
 It is available only on Silicon Graphics machines.
 See also: \emph{4Sight User's Guide}, Section 1, Chapter 5: ``Using
 the IRIS Font Manager.''