diff --git a/developers.md b/developers.md
index fb94b6d..9b47bfa 100644
--- a/developers.md
+++ b/developers.md
@@ -2,3 +2,12 @@
 This page has information relating to developers and what they can and cannot use.
   
 ### Contents:
+System Varibles  
+Modules  
+Built-In Calls and Labels  
+
+## System Varibles
+NOS has a decent amount of system varibles abd labels that cannot be overwritten.  
+## Modules
+
+## Built-In Calls and Labels