Fix some typos (#2560)

* Fix some typos

Corect some words for reading more easily

* Update NOERROR response code

NOERROR is a response code so I revert the typo checking for it

1 files changed, 1 insertions, 1 deletions

diff --git a/request/writer.go b/request/writer.go
index 67be53ebb..6caba0c2e 100644
--- a/request/writer.go
+++ b/request/writer.go
@@ -11,7 +11,7 @@ type ScrubWriter struct {
 // NewScrubWriter returns a new and initialized ScrubWriter.
 func NewScrubWriter(req *dns.Msg, w dns.ResponseWriter) *ScrubWriter { return &ScrubWriter{w, req} }
 
-// WriteMsg overrides the default implementation of the underlaying dns.ResponseWriter and calls
+// WriteMsg overrides the default implementation of the underlying dns.ResponseWriter and calls
 // scrub on the message m and will then write it to the client.
 func (s *ScrubWriter) WriteMsg(m *dns.Msg) error {
 	state := Request{Req: s.req, W: s.ResponseWriter}