Grammatical and spelling mistake fixes.

setup/templates/steps/compose/02_services.html

@@ -1,4 +1,4 @@
-{% call macros.panel("info", "Step 3 - pick some features") %}
+{% call macros.panel("info", "Step 3 - Pick some features") %}
 <p>Mailu comes with multiple base features, including a specific admin
 interface, Web email clients, antispam, antivirus, etc.
 In this section you can enable the services to you liking.</p>

setup/templates/steps/config.html

@@ -8,7 +8,7 @@ have been <a href="https://github.com/Mailu/Mailu/blob/master/docs/swarm/master/
 {% endif %}
 
 {% call macros.panel("info", "Step 2 - Initial configuration") %}
-<p>Before starting some variables must be set</p>
+<p>Before starting, some variables must be set.</p>
 
 <div class="form-group">
   <label>Mailu storage path: </label>
@@ -16,8 +16,8 @@ have been <a href="https://github.com/Mailu/Mailu/blob/master/docs/swarm/master/
   <input class="form-control" type="text" name="root" value="/mailu" required pattern="^/[-_A-Za-z0-9]+(/[-_A-Za-z0-9]*)*">
 </div>
 
-<p>In the next sections we need to set the postmaster address. This is a combination from the <i>postmaster</i> local part and the <i>main mail domain</i>.
+<p>In the following sections we need to set the postmaster address. This is a combination of the <i>postmaster</i> local part and the <i>main mail domain</i>.
-The <i>main mail domain</i> is also used as </i>"server display name"</i>. This is the way the SMTP server identifies himself when connecting to others.
+The <i>main mail domain</i> is also used as </i>"server display name"</i>. This is the way the SMTP server identifies itself when connecting to others.
 The Postmaster will get an e-mail address &lt;postmaster&gt;@&lt;main_domain&gt;. This address will receive the DMARC "rua" and "ruf" reports.
 Or in plain english: if receivers start to classify your mail as spam, this postmaster will be informed.</p>
 

setup/templates/steps/flavor.html

@@ -1,9 +1,9 @@
-{% call macros.panel("info", "Step 1 - pick a flavor") %}
+{% call macros.panel("info", "Step 1 - Pick a flavor") %}
 <p>Mailu comes in multiple "flavors". It was originally
 designed to run on top of Docker Compose but now offers multiple options
 including Docker Stack, Rancher, Kubernetes.</p>
 <p>Please note that "official" support, that is provided by the most active
-developpers, will mostly cover Compose and Stack, while other flavors are
+developers will mostly cover Compose and Stack, while other flavors are
 maintained by specific contributors.</p>
 
 <div class="radio">

setup/templates/steps/stack/02_services.html

@@ -1,4 +1,4 @@
-{% call macros.panel("info", "Step 3 - pick some features") %}
+{% call macros.panel("info", "Step 3 - Pick some features") %}
 <p>Mailu comes with multiple base features, including a specific admin
 interface, Web email clients, antispam, antivirus, etc.
 In this section you can enable the services to you liking.</p>