documentation corrections

Signed-off-by: sergiu <[email protected]>

docs/book/v5/configuration.md

@@ -23,7 +23,7 @@ $this->mailService->getMessage()->addTo("[email protected]");
 `dot-mail` uses the `transport` key under the main `dot_mail` configuration key to select the email transport.
 It has two email transport classes available (by default `sendmail`), one of which is to be added under the `dot_mail.transport` key for use.
 
-Sending email with the `Esmtp` transport requires valid data for the values under `dot-mail.default.smtp_options`, which is only used in this case.
+Sending email with the `esmtp` transport requires valid data for the values under `dot-mail.default.smtp_options`, which is only used in this case.
 
 > The configured path must be a writable directory
 

docs/book/v5/transports.md

@@ -7,8 +7,8 @@
 
 > Feel free to use any custom transport you desire, provided it implements the mentioned `TransportInterface`.
 
-PHP's `mail()` function is a wrapper over `Sendmail`, and as such has a different behaviour on Windows than on *nix systems. Using sendmail on Windows **will not work in combination with** `addBcc()`.
+PHP's `mail()` function is a wrapper over `sendmail`, and as such has a different behaviour on Windows than on *nix systems. Using sendmail on Windows **will not work in combination with** `addBcc()`.
 
 - Note: emails sent using the sendmail transport will be more often delivered to SPAM.
 
-`Esmtp` connects to the configured SMTP host in order to handle sending emails.
+`esmtp` connects to the configured SMTP host in order to handle sending emails.

test/CommonTrait.php

@@ -88,7 +88,7 @@ private function generateConfig(): array
                             'username' => 'test',
                             //the smtp authentication credential
                             'password' => 'testPassword',
-                            'tsl'      => null,
+                            'tls'      => null,
                         ],
                     ],
                 ],