diff --git a/adafruit_minimqtt/adafruit_minimqtt.py b/adafruit_minimqtt/adafruit_minimqtt.py
index caf82e7..06fcaf6 100644
--- a/adafruit_minimqtt/adafruit_minimqtt.py
+++ b/adafruit_minimqtt/adafruit_minimqtt.py
@@ -811,7 +811,7 @@ def subscribe(self, topic, qos=0):
                     return
 
                 raise MMQTTException(
-                    f"invalid message received as response to " f"SUBSCRIBE: {hex(op)}"
+                    f"invalid message received as response to SUBSCRIBE: {hex(op)}"
                 )
 
     def unsubscribe(self, topic):
@@ -869,8 +869,7 @@ def unsubscribe(self, topic):
                     return
 
                 raise MMQTTException(
-                    f"invalid message received as response to "
-                    f"UNSUBSCRIBE: {hex(op)}"
+                    f"invalid message received as response to UNSUBSCRIBE: {hex(op)}"
                 )
 
     def _recompute_reconnect_backoff(self):