fix comments and error msg

Signed-off-by: Somtochi Onyekwere <somtochionyekwere@gmail.com>

cmd/flux/cluster_info.go

@@ -40,15 +40,18 @@ var bootstrapLabels = []string{
 type fluxClusterInfo struct {
 	// bootstrapped indicates that Flux was installed using the `flux bootstrap` command.
 	bootstrapped bool
-	// managedBy is the name of the manager who installed Flux.
+	// managedBy is the name of the tool being used to manage the installation of Flux.
 	managedBy string
 	// version is the Flux version number in semver format.
 	version string
 }
 
-// getFluxClusterInfo checks the GitRepository CRD for labels passed into the function. It returns the version of Flux
-// (from the app.kubernetes.io/version label), a boolean to indicate whether the CRD was found
-// with the required labels and an error if the CRD query failed.
+// getFluxClusterInfo returns information on the Flux installation running on the cluster.
+// If the information cannot be retrieved, the boolean return value will be false.
+// If an error occurred, the returned error will be non-nil.
+//
+// This function retrieves the GitRepository CRD from the cluster and checks it
+// for a set of labels used to determine the Flux version and how Flux was installed.
 func getFluxClusterInfo(ctx context.Context, c client.Client) (fluxClusterInfo, bool, error) {
 	var info fluxClusterInfo
 	crdMetadata := &metav1.PartialObjectMetadata{

cmd/flux/install.go

@@ -190,7 +190,7 @@ func installCmdRun(cmd *cobra.Command, args []string) error {
 
 	info, installed, err := getFluxClusterInfo(ctx, kubeClient)
 	if err != nil {
-		return fmt.Errorf("error checking for exisiting flux installation: %w", err)
+		return fmt.Errorf("cluster info unavailable: %w", err)
 	}
 
 	if installed && info.bootstrapped {