Fix typo

Author: stevebauman

README.md

@@ -179,7 +179,7 @@ attributes here, however be sure that your database table contains the key you'v
 #### Binding the Adldap User Model to the Laravel User Model
 
 > **Note**: Before we begin, enabling this option will perform a single query on your AD server for a logged in user
-**per request**. Eloquent already does this for authentication, however this could lead to slightly slower load times
+**per request**. Eloquent already does this for authentication, however this could lead to slightly longer load times
 (depending on your AD server speed of course).
 
 Inside your `config/adldap_auth.php` file there is a configuration option named `bind_user_to_model`. Setting this to