diff --git a/lxd/storage/drivers/driver_ceph.go b/lxd/storage/drivers/driver_ceph.go
index df6d1fb19588..05ab2fc98fcb 100644
--- a/lxd/storage/drivers/driver_ceph.go
+++ b/lxd/storage/drivers/driver_ceph.go
@@ -440,7 +440,7 @@ func (d *ceph) GetResources() (*api.ResourcesStoragePool, error) {
 	return &res, nil
 }
 
-// MigrationType returns the type of transfer methods to be used when doing migrations between pools in preference order.
+// MigrationTypes returns the type of transfer methods to be used when doing migrations between pools in preference order.
 func (d *ceph) MigrationTypes(contentType ContentType, refresh bool, copySnapshots bool) []migration.Type {
 	var rsyncFeatures []string
 
diff --git a/lxd/storage/drivers/driver_mock.go b/lxd/storage/drivers/driver_mock.go
index 7cc397418bcb..0d8bc1827fa2 100644
--- a/lxd/storage/drivers/driver_mock.go
+++ b/lxd/storage/drivers/driver_mock.go
@@ -37,14 +37,17 @@ func (d *mock) Info() Info {
 	}
 }
 
+// FillConfig populates the driver's config with default values
 func (d *mock) FillConfig() error {
 	return nil
 }
 
+// Create is called during pool creation
 func (d *mock) Create() error {
 	return nil
 }
 
+// Delete removes a storage pool
 func (d *mock) Delete(op *operations.Operation) error {
 	return nil
 }