dev: replace tab by space inside CLI help (#4221)

Author: mitar

pkg/commands/run.go

@@ -122,7 +122,7 @@ func initFlagSet(fs *pflag.FlagSet, cfg *config.Config, m *lintersdb.Manager, is
 	const allowParallelDesc = "Allow multiple parallel golangci-lint instances running. " +
 		"If false (default) - golangci-lint acquires file lock on start."
 	fs.BoolVar(&rc.AllowParallelRunners, "allow-parallel-runners", false, wh(allowParallelDesc))
-	const allowSerialDesc = "Allow multiple golangci-lint instances running, but serialize them	around a lock. " +
+	const allowSerialDesc = "Allow multiple golangci-lint instances running, but serialize them around a lock. " +
 		"If false (default) - golangci-lint exits with an error if it fails to acquire file lock on start."
 	fs.BoolVar(&rc.AllowSerialRunners, "allow-serial-runners", false, wh(allowSerialDesc))