diff --git a/core/dns.go b/core/dns.go
index 6c07ce73..444c8558 100644
--- a/core/dns.go
+++ b/core/dns.go
@@ -10,7 +10,7 @@ import (
 
 var (
 	// ErrDNSWithNoQueryName is the error with which gatus will panic if a dns is configured without query name
-	ErrDNSWithNoQueryName = errors.New("you must specify query name for DNS")
+	ErrDNSWithNoQueryName = errors.New("you must specify a query name for DNS")
 	// ErrDNSWithInvalidQueryType is the error with which gatus will panic if a dns is configured with invalid query type
 	ErrDNSWithInvalidQueryType = errors.New("invalid query type")
 )
@@ -30,7 +30,6 @@ func (d *DNS) validateAndSetDefault() {
 	if len(d.QueryName) == 0 {
 		panic(ErrDNSWithNoQueryName)
 	}
-
 	if !strings.HasSuffix(d.QueryName, ".") {
 		d.QueryName += "."
 	}