diff --git a/cmd/collect_pwa.go b/cmd/collect_pwa.go
index f432729..99c595d 100644
--- a/cmd/collect_pwa.go
+++ b/cmd/collect_pwa.go
@@ -11,14 +11,21 @@ import (
 
 // collectPWACmd represents the collect pwa command
 var collectPWACmd = &cobra.Command{
-	Use:   "pwa [url]",
-	Short: "Collect a single PWA",
-	Long:  `Collect a single PWA and store it in a DataNode.`,
-	Args:  cobra.ExactArgs(1),
+	Use:   "pwa",
+	Short: "Collect a single PWA using a URI",
+	Long: `Collect a single PWA and store it in a DataNode.
+
+Example:
+  borg collect pwa --uri https://example.com --output mypwa.dat`,
 	Run: func(cmd *cobra.Command, args []string) {
-		pwaURL := args[0]
+		pwaURL, _ := cmd.Flags().GetString("uri")
 		outputFile, _ := cmd.Flags().GetString("output")
 
+		if pwaURL == "" {
+			fmt.Println("Error: uri is required")
+			return
+		}
+
 		fmt.Println("Finding PWA manifest...")
 		manifestURL, err := pwa.FindManifest(pwaURL)
 		if err != nil {
@@ -52,5 +59,6 @@ var collectPWACmd = &cobra.Command{
 
 func init() {
 	collectCmd.AddCommand(collectPWACmd)
-	collectPWACmd.PersistentFlags().String("output", "pwa.dat", "Output file for the DataNode")
+	collectPWACmd.Flags().String("uri", "", "The URI of the PWA to collect")
+	collectPWACmd.Flags().String("output", "pwa.dat", "Output file for the DataNode")
 }