docs(credentials): update validate function description in the blockc…

…hain balance validator

libs/credentials/src/validators/blockchainBalance/index.ts

@@ -13,7 +13,7 @@ const validator: Validator = {
     },
 
     /**
-     * It checks if a user has greater than or equal to 'minBalance' balance.
+     * It checks if a user has a balance greater than or equal to 'minBalance'.
      * @param criteria The criteria used to check user's credentials.
      * @param context Context variables.
      * @returns True if the user meets the criteria.