diff --git a/pymysql/connections.py b/pymysql/connections.py
index 04e3c53f..9de40dea 100644
--- a/pymysql/connections.py
+++ b/pymysql/connections.py
@@ -924,7 +924,7 @@ def _request_authentication(self):
             ):
                 auth_packet = self._process_auth(plugin_name, auth_packet)
             else:
-                raise err.OperationalError("received unknown auth swich request")
+                raise err.OperationalError("received unknown auth switch request")
         elif auth_packet.is_extra_auth_data():
             if DEBUG:
                 print("received extra data")