Improve phrasing.

php/ref/sessions.md

@@ -2,51 +2,47 @@
 
 A session is a way to store information to be used across multiple pages.
 
-Unlike a cookie, the information is not stored on the users computer, It is stored either on a file in the server or in the database (MySQL for example) or Redis.
+Unlike a cookie, the information is not stored on the users computer. It is stored either on a file on the server, in the database (MySQL for example), or Redis.
 
 You can access the session variables through the `$_SESSION` global variable.
 
 ### Starting the session
 
-You can start the session using `session_start()` function , if it is already started nothing will happen.
+You can start the session using the `session_start()` function. If it has already started nothing will happen.
 
-Note : `session_start()` function must be the first thing to be called in the file.
+Note : The `session_start()` function must be the first thing to be called in the file.
 
-### Session configurations
+### Session configuration
 
-There are many configurations,You can check them in the [Manual](https://www.php.net/manual/en/session.configuration.php) but we will focus on the most important ones.
+There are many configuration settings for sessions, and you can check them out in the [manual](https://www.php.net/manual/en/session.configuration.php), but we'll focus on just the most important ones here.
 
 - `session.name` allows you to change the default session name to the name you want.
 
-- `session.auto_start` starts the session automatically, the default is `false`.
+- `session.auto_start` starts the session automatically. The default is `false`.
 
 - `session.gc_maxlifetime` sets the maximaum lifetime for the session before invalidating it.
 
-### Session Cookie name
+### Session cookie name
 
-You can know the session name by calling `session_name()` function. The default name is `PHPSESSID` but you can change it easily in 4 ways:
+You can know the session name by calling the `session_name()` function. The default name is `PHPSESSID`, but you can change it easily in 4 ways:
 
-- In `php.ini` file through `session.name` configuration.
+- In your `php.ini` file via the `session.name` setting.
 
 - Through Apache.
 
-- In `.htaccess` file.
+- Via your `.htaccess` file.
 
-- Through `ini_set()` function at the start of the file before calling  `session_start()` function.
+- By using the `ini_set()` function at the start of the file before calling the `session_start()` function.
 
 ### Invalidating the session
 
-You can acheive this by doing 3 things:
+You can acheive this in 3 ways:
 
-- calling `session_unset()` function which unsets the `$_SESSION` variable.
+- By calling the `session_unset()` function which unsets the `$_SESSION` variable.
 
-- Expiring the session cookie in the user's browser:
-```php
-    setcookie(session_name() , '' , time() - 3600);
+- By expiring the session cookie in the user's browser:
+```PHP
+setcookie(session_name(), '' ,time() - 3600);
 ```
 
-- Calling the `session_destroy()` function.
-
-
-
-
+- By calling the `session_destroy()` function.