Rate limit error clarification

Author: Jegarde

src/recnetpy/rest/exceptions/rate_limited.py

@@ -14,5 +14,5 @@ class RateLimited(HTTPError):
     def __init__(self, resp: 'Response') -> None:
         time_out = resp.headers.get("retry_after")
         t = timedelta(time_out)
-        message = f"You're currently being rate limited. Time out expires in {t}."
+        message = f"You're currently being rate limited. Time out expires in {t} seconds."
         super().__init__(resp, message)