diff --git a/development-updates.md b/development-updates.md
index a7b5bef..fe2d43e 100644
--- a/development-updates.md
+++ b/development-updates.md
@@ -149,7 +149,7 @@ The actual project development is the main part of the program. Post your regula
 | [ghili](https://github.com/ghiliweld)                        | [Update 6](https://hackmd.io/@ghili/HJI5KJQ_A)                  | [Update 7](https://hackmd.io/@ghili/HkBl2pGY0)                  | [Update 8](https://hackmd.io/@ghili/B1dMYUBYR)                  |                                                                 | [Update 9 & 10](https://hackmd.io/@ghili/Hk2iCkliC)               | [Update 11](https://hackmd.io/@ghili/SkidDMOsA)                    | [Update 12](https://hackmd.io/@ghili/rJkOk4-30)                   |                                                                   | [Update 13 & 14](https://hackmd.io/@ghili/SyBYdvV6A)                | [Update 15](https://hackmd.io/@ghili/B1ZNz-9TR)                        | [Update 16](https://hackmd.io/@ghili/H1ddI8vRR)                   | [Update 17](https://hackmd.io/@ghili/Skgliqxy1l)                  |         |         |         |           |
 | [Glory Agatevure](https://github.com/gconnect)               | [Update 6](https://hackmd.io/@gconnect/Sy9n-IKwA)               | [Update 7](https://hackmd.io/@gconnect/ryNMVbXY0)               | [Update 8](https://hackmd.io/@gconnect/r1wHFvpY0)               | [Update 9](https://hackmd.io/@gconnect/r1Q_zrI5A)               | [Update 10](https://hackmd.io/@gconnect/SyZOYSlsA)                | [Update 11](https://hackmd.io/@gconnect/rkSsQBKi0)                 | [Update 12](https://hackmd.io/@gconnect/rJq9H2G2A)                | [Update 13](https://hackmd.io/@gconnect/rydLjkhnA)                | [Update 14](https://hackmd.io/@gconnect/BJVMDpX6R)                  | [Update 15](https://hackmd.io/@gconnect/Hk_mkQ06A)                     | [Update 16](https://hackmd.io/@gconnect/HJkPTPDAC)                | [Update 17](https://hackmd.io/@gconnect/HyjkHRgkyl)               |         |         |         |           |
 | [Hamid Bateni](https://github.com/irnb)                      | [Update 6](https://hackmd.io/@irnb/epf_week6)                   |                                                                 |                                                                 |                                                                 |                                                                   | [Pivot Update](https://hackmd.io/@irnb/epf_week11)                 |                                                                   |                                                                   |                                                                     |                                                                        |                                                                   |                                                                   |         |         |         |           |
-| [Hangleang](https://github.com/hangleang)                    | [Update 6](https://hackmd.io/@hangleang/epf5-week6)             |                                                                 | [Update 7&8](https://hackmd.io/@hangleang/epf5-week7n8)         | [Update 9](https://hackmd.io/@hangleang/epf5-week9)             | [Update 10](https://hackmd.io/@hangleang/epf5-week10)             | [Update 11](https://hackmd.io/@hangleang/epf5-week11)              | [Update 12](https://hackmd.io/@hangleang/epf5-week12)             | [Update 13](https://hackmd.io/@hangleang/epf5-week13)             | [Update 14](https://hackmd.io/@hangleang/epf5-week14)               | [Update 15](https://hackmd.io/@hangleang/epf5-week15)                  | [Update 16](https://hackmd.io/@hangleang/epf5-week16)             | [Update 17](https://hackmd.io/@hangleang/epf5-week17)             | [Update 18](https://hackmd.io/@hangleang/epf5-week18)             |         |         |           |
+| [Hangleang](https://github.com/hangleang)                    | [Update 6](https://hackmd.io/@hangleang/epf5-week6)             |                                                                 | [Update 7&8](https://hackmd.io/@hangleang/epf5-week7n8)         | [Update 9](https://hackmd.io/@hangleang/epf5-week9)             | [Update 10](https://hackmd.io/@hangleang/epf5-week10)             | [Update 11](https://hackmd.io/@hangleang/epf5-week11)              | [Update 12](https://hackmd.io/@hangleang/epf5-week12)             | [Update 13](https://hackmd.io/@hangleang/epf5-week13)             | [Update 14](https://hackmd.io/@hangleang/epf5-week14)               | [Update 15](https://hackmd.io/@hangleang/epf5-week15)                  | [Update 16](https://hackmd.io/@hangleang/epf5-week16)             | [Update 17](https://hackmd.io/@hangleang/epf5-week17)             | [Update 18](https://hackmd.io/@hangleang/epf5-week18)             | [Update 19](https://hackmd.io/@hangleang/epf5-week19)             |         |           |
 | [Hopinheimer](https://github.com/hopinheimer)                |                                                                 | [Update 7](https://hackmd.io/@hopin232/S1VgE2j_A)               | [Update 8](https://hackmd.io/@hopin232/BJrO3ITFA)               |                                                                 |                                                                   | [Week 11](https://hackmd.io/@hopin232/Skm863wjA)                   |                                                                   | [Week 12&13](https://hackmd.io/@hopin232/r1HZmFh2R)               |                                                                     |                                                                        |                                                                   | [Week 15,16 &17](https://hackmd.io/@hopin232/SkEgQbk0A)           |         |         |         |           |
 | [Ifeoluwa Oderinde](https://github.com/owanikin)             |                                                                 |                                                                 |                                                                 |                                                                 |                                                                   | [Update 11](https://hackmd.io/@ZpBFaS-NSO-5Xkdm4jwolg/BkjyzCKiC)   |                                                                   |                                                                   |                                                                     |                                                                        |                                                                   |                                                                   |         |         |         |           |
 | [Jihoon Song](https://github.com/jihoonsong)                 | [Update 6](https://hackmd.io/@jihoonsong/SJMKLaoOA)             | [Update 7](https://hackmd.io/@jihoonsong/HypZY0EKA)             | [Update 8](https://hackmd.io/@jihoonsong/rkag8fRYC)             | [Update 9](https://hackmd.io/@jihoonsong/SkAFlxD5R)             | [Update 10 & 11](https://hackmd.io/@jihoonsong/SkXyL5YoR)         |                                                                    | [Update 12 & 13](https://hackmd.io/@jihoonsong/BkQdAbm2A)         |                                                                   | [Update 14 & 15](https://hackmd.io/@jihoonsong/rkdPJJuTA)           |                                                                        |                                                                   |                                                                   |         |         |         |           |