diff --git a/react-native/metro.config.js b/react-native/metro.config.js
index ea9b5fddd..dc7aa1739 100644
--- a/react-native/metro.config.js
+++ b/react-native/metro.config.js
@@ -8,6 +8,10 @@ const config = {
     unstable_allowRequireContext: true,
   },
   resolver: {
+    // Connect-ES and Protobuf-ES use package exports
+    // (https://nodejs.org/docs/latest-v12.x/api/packages.html#packages_exports).
+    //
+    // We need to enable support for them in Metro. See https://metrobundler.dev/docs/package-exports/
     unstable_enablePackageExports: true,
   },
 };