diff --git a/README.md b/README.md
index 9a3b995..b695e16 100644
--- a/README.md
+++ b/README.md
@@ -217,6 +217,7 @@ Examples:
 ```
 
 ## GhostScript Paper Tables
+The `-p` parameters prints detailed paper types information
 ```
 $ ./pdfScale.sh -p
 pdfScale.sh v2.0.0