diff --git a/README.md b/README.md
index c28b896..3eab1c7 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,8 @@ pods, nodes, workloads, images, networks and one-shot lambdas.
 ## Highlights
 
 - Eight command groups — `core`, `pod`, `node`, `workload`, `image`, `network`, `status`, `lambda` —
-  covering every RPC eru core exposes.
+  covering eru core's RPCs; `GetPod`, `GetWorkload`, `GetNodeStatus`, `GetNodeEngineInfo` and
+  `RawEngine` have no command of their own.
 - Table, JSON or YAML output for every read command, selected once with `--output`.
 - Interactive streams: `workload exec` and `lambda` attach a raw terminal, forward `SIGWINCH`
   and return the remote exit code as their own.
diff --git a/cmd/workload/cmd.go b/cmd/workload/cmd.go
index 02f9c7c..0bcf801 100644
--- a/cmd/workload/cmd.go
+++ b/cmd/workload/cmd.go
@@ -128,7 +128,7 @@ func Command() *cli.Command {
 					},
 					&cli.Int64Flag{
 						Name:  "limit",
-						Usage: "limit data size",
+						Usage: "cap the rows the server returns; --pod, --match-ip and --skip-ip then filter on the client, so fewer rows can come back",
 					},
 					&cli.StringSliceFlag{
 						Name:  "match-ip",