diff --git a/neofetch b/neofetch
index f4c19a52..c6f092b9 100755
--- a/neofetch
+++ b/neofetch
@@ -660,6 +660,7 @@ image_backend="ascii"
 #
 # Default:  'auto'
 # Values:   'auto', 'ascii', 'wallpaper', '/path/to/img', '/path/to/ascii', '/path/to/dir/'
+#           'command output (neofetch --ascii "$(fortune | cowsay -W 30)")'
 # Flag:     --source
 #
 # NOTE: 'auto' will pick the best image source for whatever image backend is used.