opt-multi: changed the help template

opt-multi.go

@@ -1,6 +1,9 @@
 package cli
 
-import "strconv"
+import (
+	"fmt"
+	"strconv"
+)
 
 const (
 	multiTypeName = "num"
@@ -34,8 +37,13 @@ func (opt *cliOptionMulti) getDefaultValue() string {
 	return strconv.Itoa(opt.defaultValue)
 }
 
-func (opt *cliOptionMulti) getTemplate() string {
-	return opt.makeOptTemplate(false, multiTypeName)
+func (opt *cliOptionMulti) getTemplate() (templ string) {
+	if opt.shortAlias != "" {
+		templ = fmt.Sprintf(`-%s, --%s`, opt.shortAlias, opt.name)
+	} else {
+		templ = fmt.Sprintf(`--%s`, opt.name)
+	}
+	return
 }
 
 func (opt *cliOptionMulti) parse(parser cliParser, argIndex int, valuePtr *string) (skipNextArg bool, err error) {