PHP-Challenge-Instructions.md

@@ -8,7 +8,9 @@ This Challenge is designed to test your abilities building backend web projects
 ## Assignment
 The objective of this challenge is to create a REST API application that the user can use to track the value of stocks in the stock market. The base for your application as presented here uses a simple implementation of [Slim Framework](https://www.slimframework.com/docs/v3/)
 
-You may use the [Stooq](https://stooq.com/q/l/?s={stock_code}&f=sd2t2ohlcvn&h&e=csv) API service to get latest stock market values.
+You may use the [Stooq](https://stooq.com/q) API service to get latest stock market values. Check the format used below. You can replace the `{stock_code}` placeholder with the corresponding stock code:
+
+`https://stooq.com/q/l/?s={stock_code}&f=sd2t2ohlcvn&h&e=csv`
 
 ## Mandatory Features
 - The application must use a SQL database to store users and record logs of past requests. Check out the Slim documentation if you would like to use [Eloquent](https://www.slimframework.com/docs/v3/cookbook/database-eloquent.html), [Doctrine](https://www.slimframework.com/docs/v3/cookbook/database-doctrine.html) or [Atlas](https://www.slimframework.com/docs/v3/cookbook/database-atlas.html).