diff --git a/README.md b/README.md
index a646c17..d6e2ec5 100644
--- a/README.md
+++ b/README.md
@@ -4,3 +4,4 @@
 - [ ] create md2verse.sh 
 - [ ] create md2parallel.sh
 - [ ] create md2tex.sh
+- [ ] create pdf2sig.sh /pdf2book.py -s/--sigsize [0,3,4,5]