Fix formatting issue in mod.rs documentation

Author: mcatanzariti

src/client/mod.rs

@@ -325,7 +325,7 @@ You can also create a [`PubSubStream`] without an upfront subscription by callin
 
 ### Managing Multiplexed Subscriptions
 
-Because **rustis** implements the RESP3 protocol, there is no limitation when using subscriptions on a multiplexed connection. 
+Because **rustis** implements the RESP3 protocol, there is no limitation when using subscriptions on a multiplexed connection.
 Pub/Sub messages and regular command responses are cleanly distinguished at the protocol level,
 allowing both to coexist safely on the same shared connection.