diff --git a/core/coreiface/object.go b/core/coreiface/object.go
index 0a716dc97..1c7caeb77 100644
--- a/core/coreiface/object.go
+++ b/core/coreiface/object.go
@@ -31,7 +31,6 @@ type ObjectStat struct {
 	CumulativeSize int
 }
 
-
 const (
 	// DiffAdd is a Type of ObjectChange where a link was added to the graph
 	DiffAdd = iota
@@ -57,11 +56,11 @@ type ObjectChange struct {
 
 	// Before holds the link path before the change. Note that when a link is
 	// added, this will be nil.
-	Before Path
+	Before ResolvedPath
 
 	// After holds the link path after the change. Note that when a link is
 	// removed, this will be nil.
-	After Path
+	After ResolvedPath
 }
 
 // ObjectAPI specifies the interface to MerkleDAG and contains useful utilities
diff --git a/core/coreiface/options/object.go b/core/coreiface/options/object.go
index 9257ea607..e484a9f36 100644
--- a/core/coreiface/options/object.go
+++ b/core/coreiface/options/object.go
@@ -105,9 +105,9 @@ func (objectOpts) DataType(t string) ObjectPutOption {
 	}
 }
 
-// WithPin is an option for Object.Put which specifies whether to pin the added
+// Pin is an option for Object.Put which specifies whether to pin the added
 // objects, default is false
-func (objectOpts) WithPin(pin bool) ObjectPutOption {
+func (objectOpts) Pin(pin bool) ObjectPutOption {
 	return func(settings *ObjectPutSettings) error {
 		settings.Pin = pin
 		return nil