Update pkg/config/config.go

Co-authored-by: Bartlomiej Plotka <bwplotka@gmail.com>
Signed-off-by: Dmytro Aleksieiev <deass@ukr.net>

Author: MytkoEnko

pkg/config/config.go

@@ -145,7 +145,7 @@ type ReceiverConfig struct {
 	Fields               map[string]interface{} `yaml:"fields" json:"fields"`
 	Components           []string               `yaml:"components" json:"components"`
 	StaticLabels         []string               `yaml:"static_labels" json:"static_labels"`
-	CustomFieldsToUpdate []string               `yaml:"update_always_fields" json:"update_always_fields"`
+	FieldsToUpdate []string               `yaml:"update_always_fields" json:"update_always_fields"`
 
 	// Label copy settings
 	AddGroupLabels bool `yaml:"add_group_labels" json:"add_group_labels"`