diff --git a/distribusi.go b/distribusi.go
index 1ed8c15..b8552fa 100644
--- a/distribusi.go
+++ b/distribusi.go
@@ -187,10 +187,11 @@ Example:
 `,
 		Flags: []cli.Flag{
 			&cli.StringFlag{
-				Name:    "css",
-				Aliases: []string{"c"},
-				Usage:   "css file for custom styles",
-				Value:   "",
+				Name:     "css",
+				Aliases:  []string{"c"},
+				Usage:    "css file for custom styles",
+				Value:    "",
+				Required: false,
 			},
 			&cli.BoolFlag{
 				Name:    "debug",
@@ -205,10 +206,11 @@ Example:
 				Value:   false,
 			},
 			&cli.StringFlag{
-				Name:    "ignore",
-				Aliases: []string{"i"},
-				Usage:   "ignore specific paths, (e.g. \"*.gif, *.txt, mydir\" )",
-				Value:   "",
+				Name:     "ignore",
+				Aliases:  []string{"i"},
+				Usage:    `ignore specific paths, (e.g. "*.gif, *.txt, mydir" )`,
+				Value:    "",
+				Required: false,
 			},
 			&cli.StringFlag{
 				Name:     "path",