diff --git a/gcli.go b/gcli.go
index 6c9a808..d0beebd 100644
--- a/gcli.go
+++ b/gcli.go
@@ -77,6 +77,9 @@ type Flags = gflag.Flags
 // FlagMeta alias of the gflag.Option
 type FlagMeta = gflag.Option
 
+// FlagsConfig alias of the gflag.FlagsConfig
+type FlagsConfig = gflag.FlagsConfig
+
 // NewFlags create new gflag.Flags
 func NewFlags(nameWithDesc ...string) *gflag.Flags {
 	return gflag.New(nameWithDesc...)
diff --git a/gflag/flags.go b/gflag/flags.go
index 98ef913..626a79d 100644
--- a/gflag/flags.go
+++ b/gflag/flags.go
@@ -746,14 +746,11 @@ func (fs *Flags) formatOneFlag(f *flag.Flag) (s string) {
 	// --- build description
 	if desc == "" {
 		desc = defaultDesc
+	} else {
+		desc = strings.Replace(strutil.UpperFirst(desc), "\n", nlIndent, -1)
 	}
 
-	// flag is required
-	if meta.Required {
-		s = "<red>*</>" + s
-	}
-
-	s += strings.Replace(strutil.UpperFirst(desc), "\n", nlIndent, -1)
+	s += getRequiredMark(meta.Required) + desc
 
 	// ---- append default value
 	if isZero, isStr := cflag.IsZeroValue(f, f.DefValue); !isZero {