diff --git a/development-updates.md b/development-updates.md
index 9bdfbe2..b5dada7 100644
--- a/development-updates.md
+++ b/development-updates.md
@@ -174,7 +174,7 @@ The actual project development is the main part of the program. Post your regula
 | [Rose Jethani](https://github.com/rose2221)                  | [Update 6](https://hackmd.io/@0xrosetteeee/Week6)               |                                                                 | [Update 7 & 8](https://hackmd.io/@0xrosetteeee/update7_8)       | [Update 9](https://hackmd.io/@0xrosetteeee/Update9)             | [Update 10](https://hackmd.io/@0xrosetteeee/Update_10)            |                                                                    |                                                                   | [Update 11, 12 & 13](https://hackmd.io/@0xrosetteeee/week13)      | [Update 14](https://hackmd.io/@0xrosetteeee/Update14)             | [Update 15](https://hackmd.io/@0xrosetteeee/Update15)                  |                                                                   |                                                                     |                                                                     |  [Update 16-19](https://hackmd.io/@0xrosetteeee/Update16-19)                                                                 |         |           |
 | [Rupam Dey](https://github.com/rupam-04)                     | [Update 6](https://hackmd.io/@rupam-04/Week6)                   | [Update 7](https://hackmd.io/@rupam-04/Week7)                   | [Update 8](https://hackmd.io/@rupam-04/Week8)                   | [Update 9](https://hackmd.io/@rupam-04/Week9)                   | [Update 10](https://hackmd.io/@rupam-04/Week10)                   | [Update 11](https://hackmd.io/@rupam-04/Week11)                    | [Update 12](https://hackmd.io/@rupam-04/Week12)                   | [Update 13](https://hackmd.io/@rupam-04/Week13)                   | [Update 14](https://hackmd.io/@rupam-04/Week14)                   |                                                                        | [Update 15 & 16](https://hackmd.io/@rupam-04/Week15-16)           | [Update 17](https://hackmd.io/@rupam-04/Week17)                     | [Update 18](https://hackmd.io/@rupam-04/Week18)                     |                                                                   | [Update 20](https://hackmd.io/@rupam-04/Week20)        |           |
 | [Saeid](github.com/xm0onh)                                   |                                                                 |                                                                 |                                                                 |                                                                 |                                                                   |                                                                    |                                                                   |                                                                   |                                                                   |                                                                        |                                                                   |                                                                     |                                                                     |                                                                   |         |           |
-| [Sayan](https://github.com/threehrsleep)                     | [Update 6](https://hackmd.io/@threehrsleep/epf_week6)           |                                                                 | [Update 7 & 8](https://hackmd.io/@threehrsleep/epf_week7-8)     |                                                                 | [Update 9 & 10](https://hackmd.io/@threehrsleep/epf_week9-10)     |                                                                    | [Update 11 & 12](https://hackmd.io/@threehrsleep/epf_week11-12)   |                                                                   | [Update 13 & 14](https://hackmd.io/@threehrsleep/epf_week13-14)   |                                                                        |                                                                   |                                                                     | [Update 15,16,17,18](https://hackmd.io/@threehrsleep/epf_week15-18) |                                                                   |         |           |
+| [Sayan](https://github.com/threehrsleep)                     | [Update 6](https://hackmd.io/@threehrsleep/epf_week6)           |                                                                 | [Update 7 & 8](https://hackmd.io/@threehrsleep/epf_week7-8)     |                                                                 | [Update 9 & 10](https://hackmd.io/@threehrsleep/epf_week9-10)     |                                                                    | [Update 11 & 12](https://hackmd.io/@threehrsleep/epf_week11-12)   |                                                                   | [Update 13 & 14](https://hackmd.io/@threehrsleep/epf_week13-14)   |                                                                        |                                                                   |                                                                     | [Update 15,16,17,18](https://hackmd.io/@threehrsleep/epf_week15-18) |                                                                   | [Update 19 & 20](https://hackmd.io/@threehrsleep/epf_week19-20)            |           |
 | [Scar Face](https://github.com/scarfacedotcom)               |                                                                 |                                                                 |                                                                 |                                                                 |                                                                   |                                                                    |                                                                   |                                                                   |                                                                   |                                                                        |                                                                   |                                                                     |                                                                     |                                                                   |         |           |
 | [Siddharth Vaderaa](https://github.com/SiddharthV1)          |                                                                 | [Update 7](https://hackmd.io/@sidvdr/Sy744v4YA)                 | [Update 8](https://hackmd.io/@sidvdr/HyBBhxAY0)                 |                                                                 | [Update 10](https://hackmd.io/@sidvdr/S1zdd-eiR)                  |                                                                    | [Update 12](https://hackmd.io/@sidvdr/rkcqPGXhR)                  |                                                                   | [Update 14](https://hackmd.io/@sidvdr/SJRLB-S6A)                  |                                                                        | [Update 16](https://hackmd.io/@sidvdr/r178XAPCR)                  |                                                                     | [Update 18](https://hackmd.io/@sidvdr/S1l-6Sqkkg)                   |                                                                   | [Update 20](https://hackmd.io/@sidvdr/HJiF5q3ekg)        |           |
 | [Zarathustra](https://github.com/Karrenbelt)                 |                                                                 |                                                                 |                                                                 | [Update 9](https://hackmd.io/@zarathustra/HJ_ocvP5R)            |                                                                   |                                                                    |                                                                   |                                                                   |                                                                   |                                                                        |                                                                   |                                                                     |                                                                     |                                                                   |         |           |