diff --git a/runtime/doc/Makefile b/runtime/doc/Makefile
index a5770c2..c63d09b 100644
--- a/runtime/doc/Makefile
+++ b/runtime/doc/Makefile
@@ -72,6 +72,8 @@
 	pi_gzip.txt \
 	pi_netrw.txt \
 	pi_spec.txt \
+	pi_tar.txt \
+	pi_zip.txt \
 	print.txt \
 	quickfix.txt \
 	quickref.txt \