diff --git a/pkg/transform/transform.go b/pkg/transform/transform.go
index 919e3b5796..0e3717d067 100644
--- a/pkg/transform/transform.go
+++ b/pkg/transform/transform.go
@@ -212,6 +212,7 @@ func decodeHexOrBase64(s string) ([]byte, error) {
 	}
 }
 
+// OPENPGPKEY decoded an OPENPGP key.
 func OPENPGPKEY(encodedKey string) (string, error) {
 	// Decode the key, which can be either hex or base64.
 	decodedKey, err := decodeHexOrBase64(encodedKey)
diff --git a/providers/autodns/api.go b/providers/autodns/api.go
index 5bcc100071..761421a308 100644
--- a/providers/autodns/api.go
+++ b/providers/autodns/api.go
@@ -30,6 +30,7 @@ type ZoneListRequest struct {
 	View   *ZoneListView     `json:"view,omitempty"`
 }
 
+// ZoneListView describes a JSON zone list reply.
 type ZoneListView struct {
 	Limit    int  `json:"limit"`
 	Offset   int  `json:"offset"`
diff --git a/providers/autodns/types.go b/providers/autodns/types.go
index eb95161ae9..d6814ce846 100644
--- a/providers/autodns/types.go
+++ b/providers/autodns/types.go
@@ -80,6 +80,7 @@ type NameServer struct {
 	IPAddresses []string `json:"ipAddresses,omitempty"`
 }
 
+// ListResponseMetaData represents a JSON reply to a list command.
 type ListResponseMetaData struct {
 	ObjectType string `json:"type"`
 	ItemCount  int    `json:"summary"`
diff --git a/providers/exoscale/exoscaleProvider.go b/providers/exoscale/exoscaleProvider.go
index 36d049a22c..262d6fea6a 100644
--- a/providers/exoscale/exoscaleProvider.go
+++ b/providers/exoscale/exoscaleProvider.go
@@ -214,11 +214,11 @@ func (provider *exoscaleProvider) GetZoneRecordsCorrections(
 	}
 
 	for _, updateCorrelation := range toUpdate {
-		old := updateCorrelation.Existing.Original.(*egoscale.DNSDomainRecord)
-		new_ := updateCorrelation.Desired
+		oldc := updateCorrelation.Existing.Original.(*egoscale.DNSDomainRecord)
+		newc := updateCorrelation.Desired
 		corrections = append(corrections, &models.Correction{
 			Msg: updateCorrelation.String(),
-			F:   provider.updateRecordFunc(old, new_, domain.ID),
+			F:   provider.updateRecordFunc(oldc, newc, domain.ID),
 		})
 	}