diff --git a/README.md b/README.md
index 7d96118..c26a743 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,7 @@ You can download the latest executable binary from here:
 3- Enter the retrieved 'api_id' and 'api_hash' in **ExportTelegramContacts.exe.config** or **app.config** file.
 
 4- Run the application and choose option '1' and authenticate as instructed.
+NOTE: If you have Telegram application associated with the mobile number you've entered, you will most likely receive the code in the app instead of a SMS.
 
 5- You are good to export the contacts