diff --git a/src/utils/storage.ts b/src/utils/storage.ts
index ae06680..2237042 100644
--- a/src/utils/storage.ts
+++ b/src/utils/storage.ts
@@ -31,5 +31,8 @@ export const isDomainWhitelisted = async (url: string | undefined) => {
 
 export const assertDomainWhitelist = async (url: string) => {
   const isWhiteListed = await isDomainWhitelisted(url);
-  if (!isWhiteListed) throw new Error('Domain is not whitelisted');
+  if (!isWhiteListed)
+    throw new Error(
+      'Domain is not whitelisted. Open the extension and click on the power button to whitelist the domain.',
+    );
 };