diff --git a/cmd/root.go b/cmd/root.go
index 0ba93f1..7f6baca 100644
--- a/cmd/root.go
+++ b/cmd/root.go
@@ -44,13 +44,15 @@ var nodeOrder []string
 // rootCmd represents the base command when called without any subcommands
 var rootCmd = &cobra.Command{
 	Use:   "gv2adj",
-	Short: "A brief description of your application",
-	Long: `A longer description that spans multiple lines and likely contains
-examples and usage of using your application. For example:
+	Short: "Compute adjacency matrices for Graphviz graphs",
+	Long: `Compute adjacency matrices (either weighted or unweighted) for Graphviz graphs (both directed and undirected).
 
-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.`,
+Compute an unweighted adjacency matrix:
+gv2adj -f <dot file>
+
+Compute a weighted adjacency matrix, where weights are stored in the 'len' attribute of each edge:
+gv2adj -f <dot file> --weight-attr len
+	`,
 	// Uncomment the following line if your bare application
 	// has an action associated with it:
 	Run: parse,