diff --git a/core/Probability-Manager.js b/core/Probability-Manager.js
index 149933d..6ab7dee 100644
--- a/core/Probability-Manager.js
+++ b/core/Probability-Manager.js
@@ -1,3 +1,6 @@
+/******
+Further details on the license and usage guide are here: https://github.com/Croc-Prog-github/Probability-Manager.js
+******/
 class ProbabilityManager {
   constructor() {
     this.instances = {};
diff --git a/core/Probability-Manager.ts b/core/Probability-Manager.ts
index 7ecac2e..ec91454 100644
--- a/core/Probability-Manager.ts
+++ b/core/Probability-Manager.ts
@@ -1,3 +1,6 @@
+/******
+Further details on the license and usage guide are here: https://github.com/Croc-Prog-github/Probability-Manager.js
+******/
 declare module "https://raw.githubusercontent.com/Croc-Prog-github/Probability-Manager.js/main/core/Probability-Manager.js" {
   type ProbabilityType = number | 'auto_DirectProp' | 'auto_InversProp';