diff --git a/development-updates.md b/development-updates.md
index 8ba7a49..c9a61cf 100644
--- a/development-updates.md
+++ b/development-updates.md
@@ -162,7 +162,7 @@ The actual project development is the main part of the program. Post your regula
 | [MeldSun](https://github.com/meldsun0)                       |                                                                 |                                                                 | [Update 8](https://hackmd.io/@3juAdBVCRtaXnRB_valWsA/rkgdDhz9C) |                                                                 |                                                                   | [Update 9-11](https://hackmd.io/@3juAdBVCRtaXnRB_valWsA/rkgdDhz9C) | [Update 12](https://hackmd.io/@3juAdBVCRtaXnRB_valWsA/rkgdDhz9C)  |                                                                   |                                                                   | [Update 13,14,15](https://hackmd.io/@3juAdBVCRtaXnRB_valWsA/rkgdDhz9C) |                                                                   | [Update 16,17](https://hackmd.io/@3juAdBVCRtaXnRB_valWsA/rkgdDhz9C) |                                                                     |                                                                   |         |           |
 | [Md Amaan](https://github.com/Redidacove)                    |                                                                 |                                                                 | [Update 8](https://hackmd.io/@SSF5yRZPR9iw2e_zAYQ_wg/ryVZRyJqC) | [Update 9](https://hackmd.io/@SSF5yRZPR9iw2e_zAYQ_wg/ryPiTEY9A) | [Update 10](https://hackmd.io/@SSF5yRZPR9iw2e_zAYQ_wg/rJ4thMaqA)  | [Update 11](https://hackmd.io/@SSF5yRZPR9iw2e_zAYQ_wg/r1QYUhFoC)   | [Update 12](https://hackmd.io/@SSF5yRZPR9iw2e_zAYQ_wg/ryU9XY73A)  | [Update 13](https://hackmd.io/@SSF5yRZPR9iw2e_zAYQ_wg/rJ9PyI2hR)  |                                                                   | [Update 14-15](https://hackmd.io/@SSF5yRZPR9iw2e_zAYQ_wg/r1st2UyAA)    | [Update 16](https://hackmd.io/@SSF5yRZPR9iw2e_zAYQ_wg/B1DXT0D00)  | [Update 17](https://hackmd.io/@SSF5yRZPR9iw2e_zAYQ_wg/ryHhHaG1kl)   |                                                                     |                                                                   |         |           |
 | [mrk1tty](https://github.com/garv-aga)                       |                                                                 |                                                                 |                                                                 |                                                                 |                                                                   |                                                                    |                                                                   |                                                                   |                                                                   |                                                                        |                                                                   |                                                                     |                                                                     |                                                                   |         |           |
-| [MJZK](https://github.com/mjzk)                              |                                                                 |                                                                 |                                                                 |                                                                 |                                                                   |                                                                    |                                                                   | [Update 13](https://hackmd.io/@MJZK/HyIAExOaC)                    | [Update 14](https://hackmd.io/@MJZK/ryJhokuaC)                    | [Update 15](https://hackmd.io/@MJZK/rkj2Sq100)                         | [Update 16](https://hackmd.io/@MJZK/H1k_nRd00)                    | [Update 17](https://hackmd.io/@MJZK/S1Fy1xNJJg)                     |                                                                     |                                                                   |         |           |
+| [MJZK(Jin Mingjian)](https://github.com/mjzk)                              |                                                                 |                                                                 |                                                                 |                                                                 |                                                                   |                                                                    |                                                                   | [Update 13](https://hackmd.io/@MJZK/HyIAExOaC)                    | [Update 14](https://hackmd.io/@MJZK/ryJhokuaC)                    | [Update 15](https://hackmd.io/@MJZK/rkj2Sq100)                         | [Update 16](https://hackmd.io/@MJZK/H1k_nRd00)                    | [Update 17](https://hackmd.io/@MJZK/S1Fy1xNJJg)                     |                                                                     |                                                                   | [Update18-20](https://hackmd.io/@MJZK/S1ECt_jgkx)|           |
 | [Nikhil](https://github.com/nikhilkumar1612)                 |                                                                 |                                                                 |                                                                 |                                                                 |                                                                   |                                                                    |                                                                   |                                                                   |                                                                   |                                                                        |                                                                   |                                                                     |                                                                     |                                                                   |         |           |
 | [Nilav](https://github.com/gerceboss)                        |                                                                 | [Update 7](https://hackmd.io/@gerceboss/rJxAKqStR)              |                                                                 | [Update 8 & 9](https://hackmd.io/@gerceboss/SJz9H1tqC)          |                                                                   |                                                                    |                                                                   |                                                                   |                                                                   |                                                                        |                                                                   |                                                                     |                                                                     |                                                                   |         |           |
 | [Rahul](https://github.com/guha-rahul)                       |                                                                 |                                                                 | [Update 8](https://hackmd.io/@0xrguha/H1KhY0E5A)                | [Update 9](https://hackmd.io/@0xrguha/rkmJtiD50)                |                                                                   | [Update 10&11](https://hackmd.io/@0xrguha/Sk3ygM9i0)               | [Update 12](https://hackmd.io/@0xrguha/r1MwVLmhR)                 |                                                                   | [Update 13&14](https://hackmd.io/@0xrguha/rkqXAnH6C)              |                                                                        |                                                                   |                                                                     |                                                                     |                                                                   |         |           |