update documents

src/docs/xce.md

@@ -9,11 +9,13 @@ available:
 - **scheduler** — start xce scheduler daemon
 - **apiserver** — start xce REST API server
 - **shell** — interactive bash shell for troubleshooting
-- **xcecli** — CLI tool for cluster interaction (job submit, query, admin)
 
 If you run xce without any parameter or with a parameter not listed above, it
 will show this help screen.
 
+Note: `xcecli` is not a sub-command of `xce` — it is a separate standalone
+Go binary invoked directly. See the [xcecli](#xcecli) section below.
+
 ## controller
 
 Start the xce controller daemon with the given parameters after the
@@ -21,7 +23,7 @@ Start the xce controller daemon with the given parameters after the
 
 Example:
 ```
-xce controller --config /etc/xce/controller.yaml
+xce controller --workdir /var/lib/xce/controller --myname ctrl01 --peers ctrl01:9990,ctrl02:9990
 ```
 
 ## scheduler
@@ -45,9 +47,9 @@ authentication and RBAC authorization.
 The xce CLI (`src/frontend/xcecli/`) provides command-line access to the
 cluster. Common operations:
 
-- `xcecli job submit <jobspec>` — submit a job
-- `xcecli job list` — list jobs
-- `xcecli queue status` — show queue state
+- `xcecli jobs submit <jobspec>` — submit a job
+- `xcecli jobs list` — list jobs
+- `xcecli queues list` — show queue state
 
 Built as a standalone Go binary; communicates with the API server over
 its REST interface.