basic typos

doc/src/learn/dchat/creating-dchat/ui.md

@@ -6,7 +6,7 @@ send messages and see received messages inside the inbox. Our inbox
 simply displays the messages that `ProtocolDchat` has saved in the
 `DchatMsgBuffer`.
 
-Here's what is should look like:
+Here's what it should look like:
 
 ```rust
 {{#include ../../../../../example/dchat/src/main.rs:38:84}}

doc/src/learn/dchat/dchat.md

@@ -5,8 +5,8 @@ This tutorial will teach you how to deploy an app on DarkFi's p2p network.
 We will create a terminal-based p2p chat app called dchat that we run
 in two different instances: an inbound and outbound node called Alice
 and Bob. Alice takes a message from `stdin` and broadcasts it to the
-p2p network. When Bob receives the message on on the p2p network it is
-displayed his terminal.
+p2p network. When Bob receives the message on the p2p network it is
+displayed in his terminal.
 
 Dchat will showcase some key concepts that you'll need to develop on
 the p2p network, in particular: