Updated README

Author: murtaza-u

README.md

@@ -12,7 +12,7 @@
 * `trt` is available in the `AUR` (packaged by the developer himself)
 
 ```bash
-$ yay -S transmission-remote-tui-git
+yay -S transmission-remote-tui-git
 ```
 
 ### From source
@@ -38,12 +38,18 @@ transmission-daemon &
 trt --url http://203.12.65.10:9091/transmission/rpc
 ```
 
-* Authentication
+* Authenticate, if required
 
 ```bash
 trt --username <username> --password <password>
 ```
 
+* Version
+
+```bash
+trt --version
+```
+
 * Navigation
 
 | keybinding | Action                                             |