Using-pepcli.md

@@ -7,16 +7,17 @@ The use of command line utilities such as `pepcli` is subject to details of the
 The `pepcli` utility must be invoked from a command line, with parameters telling it what to do. The general form of invocation is
 
 ```
-pepcli [general flags] <COMMAND> [command flags] [parameters...]
+pepcli [general flags] <COMMAND> [flags] [parameters...]
 ```
 
-The various [commands are documented](#commands) in some detail on this page. The general flags are [documented separately](#general-flags). Some commands have subcommands:
+The various [commands are documented](#commands) in some detail on this page. The general flags are [documented separately](#general-flags). Some commands have subcommands; some subcommands have sub-sub-commands, and so on:
 
 ```
-pepcli [general flags] <COMMAND> <SUBCOMMAND> [subcommand flags] [parameters...]
+pepcli [general flags] <COMMAND> <SUBCOMMAND>                 [flags] [parameters...]
+pepcli [general flags] <COMMAND> <SUBCOMMAND> <SUBSUBCOMMAND> [flags] [parameters...]
 ```
 
-Such subcommands are documented with the commands to which they apply.
+The abilities and options of underlying commands are documented with the parent commands to which they apply.
 
 ## Command line help