Update command descriptions

Signed-off-by: Oliver Davies <oliver@oliverdavies.uk>

cmd/titles.go

@@ -7,15 +7,10 @@ import (
 )
 
 var titlesCmd = &cobra.Command{
-	Use: "titles",
+	Use:     "titles",
 	Aliases: []string{"t"},
-	Short: "A brief description of your command",
-	Long: `A longer description that spans multiple lines and likely contains examples
-and usage of using your command. For example:
-
-Cobra is a CLI library for Go that empowers applications.
-This application is a tool to generate the needed files
-to quickly create a Cobra application.`,
+	Short:   "Print IDs and titles of zettels",
+	Long:    `Print the IDs and titles of all zettels.`,
 	Run: func(cmd *cobra.Command, args []string) {
 		zets := lib.GetAllZets()