update doc

doc/cli_commands/actev_experiment_cleanup.md

@@ -6,8 +6,14 @@ Close any servers, terminates cluster (future functionality), etc.
 
 The command contains the following subcommands:
 
+## Parameters
+
+| Name      | Id         | Required | Definition                 |
+|-----------|------------|----------|----------------------------|
+| system-cache-dir       | s | False    | path to system cache directory       |
+
 ## Usage
 
 ```
 actev experiment-cleanup
-```
\ No newline at end of file
+```