diff --git a/sg/handbook.md b/sg/handbook.md
index 2443540..16e0ba0 100644
--- a/sg/handbook.md
+++ b/sg/handbook.md
@@ -1,8 +1,8 @@
 # Membership Handbook
 - Version: `1.0`
 - Written by
-    - 
-    - 
+    - person1
+    - @teikseong
 
 
 ## Topic