diff --git a/README.md b/README.md
index 1dcd2ada..9c46dd60 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ Also provide the ability to rebuild the DOM via snapshot.
 
 ## API
 
-This module export 3 methods:
+This module export following methods:
 
 ### snapshot
 
@@ -34,3 +34,7 @@ There are serveral things will be done during rebuild:
 #### serializeNodeWithId
 
 `serializeNodeWithId` can serialize a node into snapshot format with id.
+
+#### buildNodeWithSN
+
+`buildNodeWithSN` will build DOM from serialized node and store serialized information in `__sn` property.
diff --git a/package.json b/package.json
index e0eceea0..982d4b1e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "rrweb-snapshot",
-  "version": "0.5.1",
+  "version": "0.5.2",
   "description": "rrweb's component to take a snapshot of DOM, aka DOM serializer",
   "main": "dist/index.js",
   "module": "dist/module.js",