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Update plugin.md (#2496)

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Fix a small error
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AdamDang
2019-01-25 12:08:27 +08:00
committed by Yong Tang
parent 92bec854dc
commit 1b539b1fff
1 changed files with 1 additions and 1 deletions
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plugin.md
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@@ -8,7 +8,7 @@ The main method that gets called is `ServeDNS`. It has three parameters:
* `dns.ResponseWriter` that is, basically, the client's connection;
* `*dns.Msg` the request from the client.
`ServeDNS` returns two values, a response code and an error. If the error is not nil CoreDNS,
`ServeDNS` returns two values, a response code and an error. If the error is not nil, CoreDNS
will return a SERVFAIL to the client. The response code tells CoreDNS if a *reply has been
written by the plugin chain or not*. In the latter case CoreDNS will take care of that.