Update README.md

README.md

@@ -5,8 +5,10 @@ script for filtered search through AUR and official repository of Arch Linux.
 this script requires ```requests``` package.<br>
 
 # Usage
-```python p=package_name s=[off|aur]```
+```python p=package_name s=[off|aur] [ o=[pt|ip] ]```
 
 Available options:<br>
 p - package name<br>
-s - source(AUR or official repository)
+s - source(AUR or official repository)<br>
+o - output mode(plain text or inner pager).<br> 
+      Plain text is default mode. To quit page press ```q```. Press ```any key``` to move forward.