docs/COMMAND_LINE.md in invoice_printer-1.2.0 vs docs/COMMAND_LINE.md in invoice_printer-1.3.0

@@ -8,14 +8,16 @@
 $ invoice_printer --help
 Usage: invoice_printer [options]
 
 Options:
 
-    -l, --labels   labels as JSON
   -d, --document   document as JSON
+    -l, --labels   labels as JSON
+          --font   path to font
      -s, --stamp   path to stamp
           --logo   path to logotype
-          --font   path to font
-     --page_size   letter or a4 (letter is the default)
+    --background   path to background image
+     --page-size   letter or a4 (letter is the default)
   -f, --filename   output path
     -r, --render   directly render PDF stream (filename option will be ignored)
+
 ```