Improve the ALLOWED_HOSTS description

Fixes: #499

templates/docs/self_hosted_configuration.html

@@ -3,12 +3,12 @@
 from environment variables. Below is a list of variables it reads and uses:</p>
 <h2 id="ALLOWED_HOSTS"><code>ALLOWED_HOSTS</code></h2>
 <p>Default: <code>*</code></p>
-<p>A list of strings representing the host/domain names that this site can serve.
-You can specify multiple domain names by separating them with commas:</p>
+<p>The host/domain names that this site can serve. You can specify multiple domain names
+by separating them with commas:</p>
 <div class="highlight"><pre><span></span><code><span class="na">ALLOWED_HOSTS</span><span class="o">=</span><span class="s">my-hc.example.org,alternative-name.example.org</span>
 </code></pre></div>
 
-<p>Aside from the comma-separated syntax, this is a standard Django setting.
+<p>Apart from the comma-separated syntax, this is a standard Django setting.
 Read more about it in the
 <a href="https://docs.djangoproject.com/en/3.1/ref/settings/#allowed-hosts">Django documentation</a>.</p>
 <h2 id="APPRISE_ENABLED"><code>APPRISE_ENABLED</code></h2>

templates/docs/self_hosted_configuration.md

@@ -7,14 +7,14 @@ from environment variables. Below is a list of variables it reads and uses:
 
 Default: `*`
 
-A list of strings representing the host/domain names that this site can serve.
-You can specify multiple domain names by separating them with commas:
+The host/domain names that this site can serve. You can specify multiple domain names
+by separating them with commas:
 
 ```ini
 ALLOWED_HOSTS=my-hc.example.org,alternative-name.example.org
 ```
 
-Aside from the comma-separated syntax, this is a standard Django setting.
+Apart from the comma-separated syntax, this is a standard Django setting.
 Read more about it in the
 [Django documentation](https://docs.djangoproject.com/en/3.1/ref/settings/#allowed-hosts).