some changes
diff --git a/man/man1/INDEX b/man/man1/INDEX
index fcd708c..629dc65 100644
--- a/man/man1/INDEX
+++ b/man/man1/INDEX
@@ -169,6 +169,7 @@
 tr2post tr2post.1
 nroff troff.1
 troff troff.1
+troff2html troff2html.1
 tweak tweak.1
 uniq uniq.1
 units units.1