diff --git a/skyvern/forge/sdk/routes/run_blocks.py b/skyvern/forge/sdk/routes/run_blocks.py
index 2d3cee3e..71442500 100644
--- a/skyvern/forge/sdk/routes/run_blocks.py
+++ b/skyvern/forge/sdk/routes/run_blocks.py
@@ -42,7 +42,8 @@ LOG = structlog.get_logger()
 DEFAULT_LOGIN_PROMPT = """If you're not on the login page, navigate to login page and login using the credentials given.
 First, take actions on promotional popups or cookie prompts that could prevent taking other action on the web page.
 If a 2-factor step appears, enter the authentication code.
-If you fail to login to find the login page or can't login after several trials, terminate.
+If you fail to login or can't find the login page after several trials, terminate.
+If the credentials are invalid, expired, or rejected by the website, terminate immediately and take no further actions.
 If login is completed, you're successful."""