Server: fixed misspellings.

Based on recommendations from "misspell" static analysis.

server/server.go

@@ -44,13 +44,13 @@ type Config struct {
 	NamecoinRPCAddress    string `default:"127.0.0.1:8336" usage:"Namecoin RPC server address"`
 	NamecoinRPCCookiePath string `default:"" usage:"Namecoin RPC cookie path (if set, used instead of password)"`
 	CacheMaxEntries       int    `default:"100" usage:"Maximum name cache entries"`
-	SelfName              string `default:"" usage:"The FQDN of this nameserver. If empty, a psuedo-hostname is generated."`
+	SelfName              string `default:"" usage:"The FQDN of this nameserver. If empty, a pseudo-hostname is generated."`
 	SelfIP                string `default:"127.127.127.127" usage:"The canonical IP address for this service"`
 
 	HTTPListenAddr string `default:"" usage:"Address for webserver to listen at (default: disabled)"`
 
 	CanonicalSuffix      string `default:"bit" usage:"Suffix to advertise via HTTP"`
-	CanonicalNameservers string `default:"" usage:"Comma-separated list of nameservers to use for NS records. If blank, SelfName (or autogenerated psuedo-hostname) is used."`
+	CanonicalNameservers string `default:"" usage:"Comma-separated list of nameservers to use for NS records. If blank, SelfName (or autogenerated pseudo-hostname) is used."`
 	canonicalNameservers []string
 	Hostmaster           string `default:"" usage:"Hostmaster e. mail address"`
 	VanityIPs            string `default:"" usage:"Comma separated list of IP addresses to place in A/AAAA records at the zone apex (default: don't add any records)"`