Improve readme

README.md

@@ -6,15 +6,15 @@ Be notified when the desired price is reached.
 Made in France.
 
 ## Requirements and installation
-You need PHP 8.0 (or higher) and some [extensions enabled](https://symfony.com/doc/5.2/setup.html#technical-requirements) and composer.
+You need PHP 8.0 (or higher) with some [extensions enabled](https://symfony.com/doc/5.2/setup.html#technical-requirements) and composer.
 ```sh
 git clone git@github.com:duboiss/SymPriceAlert.git
 cd SymPriceAlert
 
 composer install
 ```
 
-Fill the following environement variables in a new .env.local file.
+Fill the following environement variables in a new `.env.local` file.
 You need a Twilio account unless you want to use another provider or not receive SMS.
 
 ```env
@@ -28,7 +28,7 @@ PHONE_NUMBER=+33600000000
 ## Configuration
 Each website you want to follow need a file in `src/DataProducts` folder.
 Two keys are expected:
-* selector: a DomCrawler selector
+* selector: a [DomCrawler selector](https://symfony.com/doc/current/components/dom_crawler.html#node-filtering)
 * products: an array of products
 
 For each product, three keys are expected:
@@ -50,7 +50,7 @@ If the price is equal or lower than the desired price, three options:
 3) The user has already been notified for this price drop but this one is even more important, he is notified.
 
 ## Exemple with Amazon
-Just create a **amazon.json** file with the following structure and it's done.
+Just create a **amazon.json** file in the `src/DataProducts` folder with the following structure and it's done.
 ```sh
 # src/DataProducts/amazon.json
 {
@@ -71,7 +71,7 @@ Just create a **amazon.json** file with the following structure and it's done.
 ```
 
 ## How it works
-SymPriceAlert uses mainly [HTTP Client](https://symfony.com/doc/current/http_client.html), [DomCrawler](https://symfony.com/doc/5.2/components/dom_crawler.html) and [Notifier](https://symfony.com/doc/5.2/notifier.html) components.
+SymPriceAlert uses mainly [HTTP Client](https://symfony.com/doc/5.2/http_client.html), [DomCrawler](https://symfony.com/doc/5.2/components/dom_crawler.html) and [Notifier](https://symfony.com/doc/5.2/notifier.html) components.
 
 A request is made on the page to be analyzed to retrieve the current price.
 
@@ -81,5 +81,6 @@ A sleep is performed between each request to avoid the effects of rate limiting
 
 ### Notifications
 By default an email and a SMS are sent but you can easily change this. The channels are adjustable in `config/packages/notifier.yaml`.
+The cannel used is `hight`.
 
 Look at the [documentation](https://symfony.com/doc/5.2/notifier.html) for more information.