diff --git a/compat_go18.go b/compat_go18.go
index 47d9832..56811fc 100644
--- a/compat_go18.go
+++ b/compat_go18.go
@@ -14,7 +14,7 @@ func driverNamedValueToNamedValue(values []driver.NamedValue) ([]namedValue, err
 		list[i] = namedValue(nv)
 
 		if nv.Name != "" {
-			return list, fmt.Errorf("named paramters are not supported: %s given", nv.Name)
+			return list, fmt.Errorf("named parameters are not supported: %s given", nv.Name)
 		}
 	}
 
diff --git a/driver_test.go b/driver_test.go
index c77601e..737946e 100644
--- a/driver_test.go
+++ b/driver_test.go
@@ -683,6 +683,10 @@ func TestPreparedStatements(t *testing.T) {
 
 		queryStmt, err := dbt.db.Prepare(`SELECT * FROM ` + dbt.tableName + ` WHERE int = ?`)
 
+		if err != nil{
+			dbt.Fatal(err)
+		}
+
 		var res int
 
 		for i := 1; i <= totalRows; i++ {
diff --git a/dsn.go b/dsn.go
index 1bfa542..d20919d 100644
--- a/dsn.go
+++ b/dsn.go
@@ -11,7 +11,7 @@ import (
 type authentication int
 
 const (
-	none  authentication = iota
+	none authentication = iota
 	basic
 	digest
 )
diff --git a/errors.go b/errors.go
index 52981e3..e9753a8 100644
--- a/errors.go
+++ b/errors.go
@@ -1,9 +1,10 @@
 package avatica
 
 import (
-	"github.com/Boostport/avatica/message"
 	"regexp"
 	"strconv"
+
+	"github.com/Boostport/avatica/message"
 )
 
 // Error severity codes
@@ -19,7 +20,10 @@ type RPCMetadata struct {
 	ServerAddress string
 }
 
+// ErrorCode represents the error code returned by the avatica server
 type ErrorCode uint32
+
+// SQLState represents the SQL code returned by the avatica server
 type SQLState string
 
 // ResponseError is an error type that contains detailed information on