Change wording

Add a2en command to Apache2 config

source/debian-installation-guide.blade.md

@@ -148,13 +148,13 @@ If you don't use Certbot with Let's Encrypt certificates, you will probably need
 </VirtualHost>
 @endcomponent
 
-The last step is to redirect all clients that use HTTP on port 80 to HTTPS on port 443.
+Now we need to redirect all clients that use HTTP on port 80 to HTTPS on port 443.
 To do that, you could either add a second `VirtualHost` definition in your configuration file or create a second
 file that only holds your HTTP host(s). If you want to redirect HTTP traffic for all your virtual hosts,
 leave out the `ServerName` directive.
 
 @component('_components.code_file')
-@slot('filename', '/etc/apache2/sites-available/http-mum.example.com.conf')
+@slot('filename', '/etc/apache2/sites-available/mum.example.com-http.conf')
 @slot('lang', 'apacheconf')
 <VirtualHost *:80>
     ServerName mum.example.com
@@ -164,6 +164,15 @@ leave out the `ServerName` directive.
 </VirtualHost>
 @endcomponent
 
+The last step is to enable the new VirtualHost in Apache2. Please use your actual domain
+or rather the name of your `.conf` file. What this command does is to create a symbolic
+link from `/etc/sites-enabled/mum.example.com.conf` to `/etc/sites-available/mum.example.com.conf`.
+
+@component('_components.code')
+@slot('lang', 'bash')
+sudo a2ensite mum.example.com
+@endcomponent
+
 ## Installing Composer
 
 The next thing we need is the PHP dependency manager [Composer](https://getcomposer.org/).
@@ -253,6 +262,14 @@ DB_USERNAME=mum
 DB_PASSWORD=my_secret_password_1
 @endcomponent
 
+Another important step is to migrate the database. That means we are going to create the
+necessary tables in our database.
+
+@component('_components.code')
+@slot('lang', 'bash')
+php artisan migrate
+@endcomponent
+
 ## Creating Your First User
 
 Since MUM does not have a web installer yet, you will need to use console commands to create your first user in MUM.