Update gossip.mdx

Author: dezren39

connecting/gossip.mdx

@@ -154,7 +154,7 @@ let topic_id = TopicId::from_bytes(topic_id_bytes.into());
 
 ### Waiting for peers
 
-Before sending messages, yoou might want to wait until you have connected to at
+Before sending messages, you might want to wait until you have connected to at
 least one other peer. This is because the gossip protocol works by forwarding
 messages between connected peers, so if you are not connected to anyone, your
 messages won't go anywhere.