upd snapshot subcommand help output

README.md

@@ -14,9 +14,18 @@ go install github.com/onyx-and-iris/xair-cli@latest
 - --port/-P: Port of the mixer.
 - --kind/-k: The kind of mixer. May be one of (*xair*, *x32*).
   - Use this flag to connect to an x32 mixer.
+- --loglevel/-L: The application's logging verbosity.
+
+Pass `--host` and any other configuration as flags on the root commmand:
+
+```console
+xair-cli --host mixer.local --kind xair --timeout 50ms --help
+```
 
 #### Environment Variables
 
+Or you may load them from your environment:
+
 Example .envrc:
 
 ```bash
@@ -26,6 +35,7 @@ XAIR_CLI_HOST=mixer.local
 XAIR_CLI_PORT=10024
 XAIR_CLI_KIND=xair
 XAIR_CLI_TIMEOUT=100ms
+XAIR_CLI_LOGLEVEL=warn
 ```
 
 ### Use
@@ -114,8 +124,8 @@ Headamp
 Snapshot
   snapshot list              List all snapshots.
   snapshot <index> name      Get or set the name of a snapshot.
-  snapshot <index> save      Save the current mixer state.
-  snapshot <index> load      Load a mixer state.
+  snapshot <index> save      Save the current mixer state to a snapshot.
+  snapshot <index> load      Load a mixer state from a snapshot.
   snapshot <index> delete    Delete a snapshot.
 
 Run "xair-cli <command> --help" for more information on a command.

snapshot.go

@@ -7,8 +7,8 @@ type SnapshotCmdGroup struct {
 	Index struct {
 		Index  int       `arg:"" help:"The index of the snapshot."`
 		Name   NameCmd   `help:"Get or set the name of a snapshot."      cmd:"name"`
-		Save   SaveCmd   `help:"Save the current mixer state." cmd:"save"`
-		Load   LoadCmd   `help:"Load a mixer state."         cmd:"load"`
+		Save   SaveCmd   `help:"Save the current mixer state to a snapshot." cmd:"save"`
+		Load   LoadCmd   `help:"Load a mixer state from a snapshot."         cmd:"load"`
 		Delete DeleteCmd `help:"Delete a snapshot."                      cmd:"delete"`
 	} `help:"The index of the snapshot."            arg:""`
 }