-The system makes use of HTTP cookies to keep track of who is logged in at any point. The cookie is a small token of information that gets sent by the server, which is then stored automatically by the web browser. The cookie then gets sent back automatically on subsequent requests to the server. If the cookie sent back matches what is expected, the user is ‘logged in'. Almost all web sites in existence that has some sort of login use cookies to keep track of this sort of information, so this method is standard practice.
-In the server code, this information is referred to as the ‘control key'. A control key is only provided to a user if they provide valid login credentials, and no one else is logged in at that time.
+The system makes use of HTTP cookies to keep track of who is logged in at any point. The cookie is a small token of information that gets sent by the server, which is then stored automatically by the web browser. The cookie then gets sent back automatically on subsequent requests to the server. If the cookie sent back matches what is expected, the user is `logged in'. Almost all web sites in existence that has some sort of login use cookies to keep track of this sort of information, so this method is standard practice.
+In the server code, this information is referred to as the `control key'. A control key is only provided to a user if they provide valid login credentials, and no one else is logged in at that time.