Remove extra error message

PUBLISHED_FROM=8b7fcfc1bc32ff9ff38e2904ddb730c83bf9fae4

docs/c-api/dns-server.h/mg_dns_create_reply.md

@@ -7,18 +7,18 @@ signature: |
                                           struct mg_dns_message *msg);
 ---
 
-Creates a DNS reply.
+Create a DNS reply.
 
 The reply will be based on an existing query message `msg`.
 The query body will be appended to the output buffer.
-"reply + recursion allowed" will be added to the message flags and the
+"reply + recursion allowed" will be added to the message flags and
 message's num_answers will be set to 0.
 
 Answer records can be appended with `mg_dns_send_reply` or by lower
 level function defined in the DNS API.
 
-In order to send a reply use `mg_dns_send_reply`.
-It's possible to use a connection's send buffer as reply buffer,
+In order to send the reply use `mg_dns_send_reply`.
+It's possible to use a connection's send buffer as reply buffers,
 and it will work for both UDP and TCP connections.
 
 Example:

docs/c-api/dns-server.h/mg_dns_reply_record.md

@@ -9,10 +9,10 @@ signature: |
                           size_t rdata_len);
 ---
 
-Appends a DNS reply record to the IO buffer and to the DNS message.
+Append a DNS reply record to the IO buffer and to the DNS message.
 
-The message's num_answers field will be incremented. It's the caller's duty
-to ensure num_answers is properly initialised.
+The message num_answers field will be incremented. It's caller's duty
+to ensure num_answers is propertly initialized.
 
 Returns -1 on error. 
 

docs/c-api/dns-server.h/mg_dns_send_reply.md

@@ -6,11 +6,11 @@ signature: |
   void mg_dns_send_reply(struct mg_connection *nc, struct mg_dns_reply *r);
 ---
 
-Sends a DNS reply through a connection.
+Send a DNS reply through a connection.
 
 The DNS data is stored in an IO buffer pointed by reply structure in `r`.
 This function mutates the content of that buffer in order to ensure that
-the DNS header reflects the size and flags of the message, that might have been
+the DNS header reflects size and flags of the mssage, that might have been
 updated either with `mg_dns_reply_record` or by direct manipulation of
 `r->message`.