diff --git a/packages/yoroi-extension/app/stores/base/BaseLoadingStore.js b/packages/yoroi-extension/app/stores/base/BaseLoadingStore.js
index fa367d15b4..0b7e5051c5 100644
--- a/packages/yoroi-extension/app/stores/base/BaseLoadingStore.js
+++ b/packages/yoroi-extension/app/stores/base/BaseLoadingStore.js
@@ -38,6 +38,7 @@ export default class BaseLoadingStore<TStores, TActions> extends Store<TStores,
   }
 
   registerBlockingLoadingRequest(promise: Promise<void>, name: string): void {
+    // promises are wrapped as requests to easier check their errors later
     this.__blockingLoadingRequests.push([new Request(() => promise), name]);
   }