Updated the README.md

Author: karanrn

README.md

@@ -4,10 +4,14 @@ A simple command line tool to check older files in the system.
 
 Usage:
 ```
-./go-least-ls -count=10 -older=60
+./go-least-ls -count=10 -older=60 -filetype .txt
+```
+Utility lists all the least recently used files based on the file type mentioned in the current directory older <br>
+than `-older=<value>` mentioned.<br>
+```
+-count : Default is 5
+-older : Default is 30
 ```
-Utility lists all the least recently used files in the current directory older <br>
-than `-older=<value>` mentioned.
 
 ![alt text](./Usage.png "Usage.")