AWS: ask for zone(s) and fix build issue in sslvpn_client.rst

source/manual/how-tos/installaws.rst

@@ -10,6 +10,8 @@ To apply for access to the OPNsense Amazon AWS EC2 cloud image, you need:
     see: https://opnsense.org/support-overview/commercial-support/)
 * Supply your Amazon Account Number
     to share the Amazon Machine Image with.
+* The zone or zones you would like to install the image in
+    e.g. eu-central-1, us-east-1
 
 ---------------------
 Step 1 - New Instance

source/manual/how-tos/sslvpn_client.rst

@@ -147,7 +147,7 @@ For our example we will use the following setting:
 Click **Save** to add the new Certificate Authority.
 
 Create a Server Certificate
----------------------
+----------------------------
 After creating the Authority we will also need a certificate.
 To create a new certificate, go to :menuselection:`System --> Trust --> Certificates` and click
 **Add** in the upper right corner of the form.