diff --git a/cmd/defaults.go b/cmd/defaults.go
index 03c048b..5d803c9 100644
--- a/cmd/defaults.go
+++ b/cmd/defaults.go
@@ -18,9 +18,12 @@ var defaultsCmd = &cobra.Command{
 	Run: func(cmd *cobra.Command, args []string) {
 		cs := defaultjwt.GetDefaultClaims()
 		if explain {
+			w := newTabWriter()
+			fmt.Fprintf(w, "%s\t%s\t%s\n", "Key", "Value", "Description")
 			for _, c := range cs {
-				fmt.Printf("key: %s\tvalue: %s\tdescription: %s\n", c.Key, c.Value, c.Description)
+				fmt.Fprintf(w, "%s\t%s\t%s\n", c.Key, c.Value, c.Description)
 			}
+			w.Flush()
 		} else {
 			m := make(map[string]string, len(cs))
 			for _, c := range cs {
@@ -38,5 +41,5 @@ var defaultsCmd = &cobra.Command{
 func init() {
 	rootCmd.AddCommand(defaultsCmd)
 
-	defaultsCmd.Flags().BoolVarP(&explain, "explain", "e", false, "outputs a table explaining the default values")
+	defaultsCmd.Flags().BoolVarP(&explain, "explain", "e", false, "Explain default values")
 }
diff --git a/cmd/jwt.go b/cmd/jwt.go
index 5e905fe..f1a9054 100644
--- a/cmd/jwt.go
+++ b/cmd/jwt.go
@@ -62,8 +62,8 @@ var jwtCmd = &cobra.Command{
 func init() {
 	rootCmd.AddCommand(jwtCmd)
 
-	jwtCmd.Flags().StringToStringVarP(&claims, "claims", "c", map[string]string{}, "claims to be added to the jwt")
+	jwtCmd.Flags().StringToStringVarP(&claims, "claims", "c", map[string]string{}, "Claims for JWT")
 	jwtCmd.Flags().StringVarP(&key, "key", "k", "a", "[abc] jwt key to use")
-	jwtCmd.Flags().BoolVarP(&addDefaults, "defaults", "d", true, "adds default oidc parameters, true by default")
-	jwtCmd.Flags().StringVarP(&filePath, "file", "f", "", "json file to read claims from")
+	jwtCmd.Flags().BoolVarP(&addDefaults, "defaults", "d", true, "Add default claims")
+	jwtCmd.Flags().StringVarP(&filePath, "file", "f", "", "Add claims from JSON file")
 }
diff --git a/cmd/list.go b/cmd/list.go
index 3ea0a77..f9aecb6 100644
--- a/cmd/list.go
+++ b/cmd/list.go
@@ -11,20 +11,8 @@ import (
 // listCmd represents the list command
 var listCmd = &cobra.Command{
 	Use:   "list [abc]",
-	Short: "List the default keys, optionally specifying one only returns one",
-	Args: func(cmd *cobra.Command, args []string) error {
-		switch {
-		case len(args) > 1:
-			return fmt.Errorf("can only provide no or 1 argument, not %d arguments", len(args))
-		case len(args) == 1:
-			if !url.IsVersion(args[0]) {
-				return fmt.Errorf("can only be one of the aviable keys: %s", url.ReturnVersions())
-			}
-			return nil
-		default:
-			return nil
-		}
-	},
+	Short: "List the default keys, optionally specifying one only returns one jwks url",
+	Args:  cobra.RangeArgs(0, 1),
 	Run: func(cmd *cobra.Command, args []string) {
 		if len(args) == 1 {
 			jwksURL, _, err := url.ReturnJWKSAndPrivatePEMURL(args[0])
@@ -33,22 +21,21 @@ var listCmd = &cobra.Command{
 			}
 			fmt.Println(jwksURL)
 		} else {
+			w := newTabWriter()
+			fmt.Fprintf(w, "%s\t%s\t%s\n", "Key", "JWKS URL", "Private PEM URL")
 			const alphabet = "abc"
 			for _, c := range alphabet {
-				jwksURL, _, err := url.ReturnJWKSAndPrivatePEMURL(string(c))
+				jwks, pem, err := url.ReturnJWKSAndPrivatePEMURL(string(c))
 				if err != nil {
 					log.Fatal(err)
 				}
-				fmt.Printf("key %c, jwks url: "+jwksURL+"\n", c)
+				fmt.Fprintf(w, "%s\t%s\t%s\n", string(c), jwks, pem)
 			}
+			w.Flush()
 		}
 	},
 }
 
 func init() {
 	rootCmd.AddCommand(listCmd)
-
-	// TODO ADD Showing pem url
-	//var showPemURL bool
-	//listCmd.Flags().BoolVarP(&showPemURL, "pem", "p", false, "Show URL For Private key")
 }
diff --git a/cmd/root.go b/cmd/root.go
index 1f84332..fcc86d2 100644
--- a/cmd/root.go
+++ b/cmd/root.go
@@ -3,6 +3,7 @@ package cmd
 import (
 	"fmt"
 	"os"
+	"text/tabwriter"
 
 	"github.com/spf13/cobra"
 )
@@ -31,6 +32,10 @@ func init() {
 	rootCmd.AddCommand(versionCmd)
 }
 
+func newTabWriter() *tabwriter.Writer {
+	return tabwriter.NewWriter(os.Stdout, 2, 0, 3, ' ', tabwriter.TabIndent)
+}
+
 // Execute adds all child commands to the root command and sets flags appropriately.
 // This is called by main.main(). It only needs to happen once to the rootCmd.
 func Execute(version, commit, date string) {
diff --git a/pkg/defaultjwt/defaultClaims.go b/pkg/defaultjwt/defaultClaims.go
index d84dafa..aece416 100644
--- a/pkg/defaultjwt/defaultClaims.go
+++ b/pkg/defaultjwt/defaultClaims.go
@@ -13,9 +13,7 @@ type DefaultClaims struct {
 	Description string
 }
 
-// GetDefaultClaims returns a list of default claims
-//
-// default claims have been taken from rfc 7519
+// GetDefaultClaims returns a list of default claims. Default claims have been taken from rfc 7519
 func GetDefaultClaims() []DefaultClaims {
 	return []DefaultClaims{
 		{