diff --git a/README b/README
index a7b4f29..22cd9e3 100644
--- a/README
+++ b/README
@@ -29,7 +29,7 @@ Converts 8 images (jpg or png) from a given directory, into a single sheet 4x2 i
 Usage:
 python wiki-download.py --help 
 
-python imposition.py --dir imgs/  --size a3 --order random
+python imposition.py --dir imgs/ --size a3 --pages 2 --order random
 
 ### pdf_cover.sh
 Converts first page of PDFs to a jpeg with the ending _cover.jpeg
diff --git a/pdf_cover.sh b/pdf_cover.sh
old mode 100644
new mode 100755