diff --git a/docs/_posts/2021-02-02-release-v2.1.5.md b/docs/_posts/2021-02-02-release-v2.1.5.md
index b2ab52166..4046c4a72 100644
--- a/docs/_posts/2021-02-02-release-v2.1.5.md
+++ b/docs/_posts/2021-02-02-release-v2.1.5.md
@@ -1,5 +1,5 @@
 ---
-title: "v2.1.5 - Stabilize 5G Core"
+title: "v2.1.5 - 5G Core N2 based handover"
 date: 2021-02-02 14:52:00 -0500
 categories:
   - Release
@@ -13,15 +13,15 @@ head_inline: "<style> ul { padding-bottom: 1em; } </style>"
 - [5GC] N2 Handver ([49a9e58](https://github.com/open5gs/open5gs/commit/49a9e58efe3f6ecd482c3b77b98cd0841688b647), [ff5236f](https://github.com/open5gs/open5gs/commit/ff5236f3e01ee6984bc78eaacc7d84e08c321266))
 
 #### Enhancement
-- [ASN] S1AP/NGAP update to v16.4.0(2021-01-04) ([ada01fc](https://github.com/open5gs/open5gs/commit/ada01fca8ffaea029d2ae04e6bc1bb499ab37894))
-- [AMF] Add Handling Duplicated PDU Session ID ([d9417be](https://github.com/open5gs/open5gs/commit/d9417be9a62255efa91a11ee2c424ec1e739b919))
-- [AMF/MME] Add UserLocation Handling in UplinkNASTransport ([#772](https://github.com/open5gs/open5gs/pull/772)) -- [zhonglin6666](https://github.com/zhonglin6666)
 - [AMF/MME] Check IMEISV length == 16 digits ([388e642](https://github.com/open5gs/open5gs/commit/388e64213fcebc257eb7bd0223105c3055c56252))
+- [AMF] Add Handling Duplicated PDU Session ID ([d9417be](https://github.com/open5gs/open5gs/commit/d9417be9a62255efa91a11ee2c424ec1e739b919))
+- [ASN] S1AP/NGAP update to v16.4.0(2021-01-04) ([ada01fc](https://github.com/open5gs/open5gs/commit/ada01fca8ffaea029d2ae04e6bc1bb499ab37894))
+- [AMF/MME] Add UserLocation Handling in UplinkNASTransport ([#772](https://github.com/open5gs/open5gs/pull/772)) -- [zhonglin6666](https://github.com/zhonglin6666)
 
 #### Bug Fixes
+- [UDR] Modify SmfSelectionSubscriptionData ([#785](https://github.com/open5gs/open5gs/pull/785)) -- [zhonglin6666](https://github.com/zhonglin6666)
 - [MME] ENBDirectInformationTransfer decoding problem ([#783](https://github.com/open5gs/open5gs/issues/783)) -- [kuanghanqian](https://github.com/kuanghanqian)
 - [AMF] PartOfNG-Interface in NGReset decoding problem ([#773](https://github.com/open5gs/open5gs/issues/773)) -- [acetcom](https://github.com/acetcom)
-- [UDR] Modify SmfSelectionSubscriptionData ([#785](https://github.com/open5gs/open5gs/pull/785)) -- [zhonglin6666](https://github.com/zhonglin6666)
 - [AMF] Fix UE Context Request IE Handling ([#771](https://github.com/open5gs/open5gs/issues/771)) -- [kuanghanqian](https://github.com/kuanghanqian)
 - [5GC] Fix the AMF/SMF/UDM crash issues ([#770](https://github.com/open5gs/open5gs/issues/770), [#771](https://github.com/open5gs/open5gs/issues/771)) -- [kuanghanqian](https://github.com/kuanghanqian)