diff --git a/packages/react-native/ReactCommon/react/renderer/componentregistry/ComponentDescriptorRegistry.cpp b/packages/react-native/ReactCommon/react/renderer/componentregistry/ComponentDescriptorRegistry.cpp
index e8b4616f62e..469fc5c2335 100644
--- a/packages/react-native/ReactCommon/react/renderer/componentregistry/ComponentDescriptorRegistry.cpp
+++ b/packages/react-native/ReactCommon/react/renderer/componentregistry/ComponentDescriptorRegistry.cpp
@@ -85,12 +85,21 @@ const ComponentDescriptor& ComponentDescriptorRegistry::at(
 
   if (it == _registryByName.end()) {
     if (ReactNativeFeatureFlags::useFabricInterop()) {
+      // When interop is enabled, if the component is not found we rely on
+      // UnstableLegacyViewManagerAutomaticComponentDescriptor to support legacy
+      // components in new architecture.
       auto componentDescriptor = std::make_shared<
           const UnstableLegacyViewManagerAutomaticComponentDescriptor>(
           parameters_, unifiedComponentName);
       registerComponentDescriptor(componentDescriptor);
       return *_registryByName.find(unifiedComponentName)->second;
     } else {
+      // When interop is disabled, if the component is not found we rely on
+      // fallbackComponentDescriptor (default:
+      // UnimplementedNativeViewComponentDescriptor).
+      // UnimplementedNativeViewComponentDescriptor displays a View in debug
+      // mode to alert the developer that the component is not properly
+      // configured, and an empty view in release mode.
       if (_fallbackComponentDescriptor == nullptr) {
         throw std::invalid_argument(
             ("Unable to find componentDescriptor for " + unifiedComponentName)