small fixes before merge

cmd/command/run.go

@@ -44,7 +44,7 @@ var runCmd = &cobra.Command{
 		count := strings.Count(crun, "%s")
 		l := len(args)
 		if l-1 != count {
-			return fmt.Errorf("not enough arguments to fill all command placeholders, required: %d - have: %d", count, l)
+			return fmt.Errorf("not enough arguments to fill all command placeholders, required: %d - have: %d", count, l-1)
 		}
 
 		cli, err := client.New(cfgserver)

cmd/server/active.go

@@ -12,7 +12,7 @@ import (
 )
 
 var activeCmd = &cobra.Command{
-	Use:          "active",
+	Use:          "activate",
 	Example:      "mctl server active <server>",
 	Short:        "sets the active server to run commands on",
 	SilenceUsage: true,