diff --git a/src/handler/utilities/higherOrders.ts b/src/handler/utilities/higherOrders.ts
index f5f55a4..db17f1a 100644
--- a/src/handler/utilities/higherOrders.ts
+++ b/src/handler/utilities/higherOrders.ts
@@ -1,11 +1,17 @@
-import type { Message } from "discord.js";
+import type { Message } from 'discord.js';
 
 type MsgFnArgs = [msgOrInter: Message, prefix?: string];
 type MsgFn = (...args: MsgFnArgs) => boolean;
 
-export function AllTrue(...fn : MsgFn[]) {
+/**
+ * 
+ * @param {MsgFn} fn any function that has argument `MsgFnArgs` returning boolean 
+ * @returns {(message: Message, prefix: string) => boolean}
+ */
+export function AllTrue(...fn : MsgFn[]) :
+ (message: Message, prefix: string) => boolean {
     return (message: Message, prefix: string) => {
-        return fn.every(f => f(message, prefix) === true)
-    }
+        return fn.every(f => f(message, prefix) === true);
+    };
 }