cli.md

@@ -42,6 +42,13 @@ Usage: datovka [ options ] [ zfo-file ]
 #### Parameters:
 **zfo-file** - ZFO file to be viewed.
 
+## Command-line options which affect the GUI application
+
+These options are available only the graphical user interface application.
+
+#### Options:
+* **--compose** <message-options>
+
 ## Command-line only options - databox/message operations
 
 ```