fix banking comment

structures/bank.js

@@ -18,8 +18,12 @@ bankSchema.methods.createBank = function (userID, guildID, startingBalance) {
   this.bank.guilds[guildID] = newGuild
 };
 
-// This function is to add a new guild specific inventory to an already existing
-// inventory document
+/*
+  This function is to add a new guild specific bank to an already existing
+  bank document
+  or
+  can be used to reset a data back to default
+*/ 
 function addBank(guilds, guildID, userID, client, startingBalance) {
   let updatedGuilds = guilds;
   updatedGuilds[guildID] = {