diff --git a/carddav/carddav.go b/carddav/carddav.go
index 6a52400..664727c 100644
--- a/carddav/carddav.go
+++ b/carddav/carddav.go
@@ -107,14 +107,14 @@ type AddressObject struct {
 	Card          vcard.Card
 }
 
-//SyncQuery is the query struct represents a sync-collection request
+// SyncQuery is the query struct represents a sync-collection request
 type SyncQuery struct {
 	DataRequest AddressDataRequest
 	SyncToken   string
 	Limit       int // <= 0 means unlimited
 }
 
-//SyncResponse contains the returned sync-token for next time
+// SyncResponse contains the returned sync-token for next time
 type SyncResponse struct {
 	SyncToken string
 	Updated   []AddressObject