Update README.md

README.md

@@ -5,5 +5,10 @@ I was bored and indecisive to choose a wallpaper.
 
 Usage: `./wallpaper.py -h`
 
+### Disclaimer
+
 You can change the default path for the wallpaper query by changing
 the `path` variable in main.
+
+I use `feh` to apply the wallpaper, either download it with your package
+manager or change it in the `os.system` call at the bottom of main