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Signed-off-by: twobiers <22715034+twobiers@users.noreply.github.com>

Author: twobiers

pkg/reconciler/managed/reconciler.go

@@ -1269,8 +1269,12 @@ func (r *Reconciler) Reconcile(ctx context.Context, req reconcile.Request) (resu
 
 	if observation.ResourceExists {
 		// When a resource exists or is just created, it might have received
-		// a non-deterministic external name, which we need to persist.
+		// a non-deterministic external name after its creation, which we need to persist.
 		// We do this by updating the critical annotations.
+		// This is needed because some resources might not receive an external-name directly 
+		// after the creation, but later as part of an asynchronous process.
+		// When Crossplane supports asynchronous creation of resources natively, this logic
+		// might not be needed anymore and can be revisited. 
 		if err := r.managed.UpdateCriticalAnnotations(ctx, managed); err != nil {
 			log.Debug(errUpdateManagedAnnotations, "error", err)
 			record.Event(managed, event.Warning(reasonCannotUpdateManaged, errors.Wrap(err, errUpdateManagedAnnotations)))