diff --git a/README.md b/README.md
index 5315d2a..236faf6 100644
--- a/README.md
+++ b/README.md
@@ -22,6 +22,9 @@ FlatOnlyFirstPage = If set to one FLAT only first page of the PDF
 -s  = Split all the files in dedicated folders  
 -flat = All the comments will be flattened  
 -singlePageSplit = Only the selected page will be splitted  
+usage: -singlePageSplit page number  
+-ps = Create ad open a new empty page in a temp folder  
+usage: -ps format size ("A4", "A3", "A0", "A1")  
 
 ## How to merge PDF
 1. Select all of the PDF;