chore: fix some comments

Signed-off-by: wangjingcun <wangjingcun@aliyun.com>

beacon_chain/networking/eth2_network.nim

@@ -962,7 +962,7 @@ proc readResponse(conn: Connection, peer: Peer,
     var results: MsgType
     while true:
       # Because we interleave networking with response processing, it may
-      # happen that reading all chunks takes longer than a strict dealine
+      # happen that reading all chunks takes longer than a strict deadline
       # timeout would allow, so we allow each chunk a new timeout instead.
       # The problem is exacerbated by the large number of round-trips to the
       # poll loop that each future along the way causes.

docs/the_nimbus_book/src/eth1.md

@@ -15,7 +15,7 @@ See the [execution client comparison](https://ethereum.org/en/developers/docs/no
 
 ### 1. Install execution client
 
-Select an execution client and install it, configuring it such that that the authenticated JSON-RPC interface is enabled and a JWT secret file is created.
+Select an execution client and install it, configuring it such that the authenticated JSON-RPC interface is enabled and a JWT secret file is created.
 
 === "Nimbus"
 

ncli/resttest.nim

@@ -1031,7 +1031,7 @@ proc workerLoop(address: TransportAddress, uri: Uri, worker: int,
            worker = worker
       return
     except CatchableError as exc:
-      warn "Unexpected exception while running test test run", host = hostname,
+      warn "Unexpected exception while running test run", host = hostname,
            error_name = exc.name, error_msg = exc.msg, index = index,
            worker = worker
       return