diff --git a/util/util.go b/util/util.go
index d82df4a6f..0d703fd4c 100644
--- a/util/util.go
+++ b/util/util.go
@@ -39,11 +39,12 @@ var ErrNotFound = ds.ErrNotFound
 // Key is a string representation of multihash for use with maps.
 type Key string
 
-// String returns Key in a b58 encoded string
+// String is utililty function for printing out keys as strings (Pretty).
 func (k Key) String() string {
-	return b58.Encode([]byte(k))
+	return key.Pretty()
 }
 
+// Pretty returns Key in a b58 encoded string
 func (k Key) Pretty() string {
 	return b58.Encode([]byte(k))
 }