1 files changed, 1 insertions, 0 deletions
diff --git a/index.xml b/index.xml
index ac472efc2..dd27ef336 100644
--- a/index.xml
+++ b/index.xml
@@ -241,6 +241,7 @@
 <!ENTITY c6-e2fsprogs-inst SYSTEM "chapter6/e2fsprogs-inst.xml">
 <!ENTITY c6-file SYSTEM "chapter6/file.xml">
 <!ENTITY c6-file-inst SYSTEM "chapter6/file-inst.xml">
+<!ENTITY c6-file-exp SYSTEM "chapter6/file-exp.xml">
 <!ENTITY c6-fileutils SYSTEM "chapter6/fileutils.xml">
 <!ENTITY c6-fileutils-inst SYSTEM "chapter6/fileutils-inst.xml">
 <!ENTITY c6-gettext SYSTEM "chapter6/gettext.xml">